Search: id:A014715
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%I A014715
%S A014715 1,3,0,3,5,7,7,2,6,9,0,3,4,2,9,6,3,9,1,2,5,7,0,9,9,1,1,2,1,5,2,5,5,1,8,
%T A014715 9,0,7,3,0,7,0,2,5,0,4,6,5,9,4,0,4,8,7,5,7,5,4,8,6,1,3,9,0,6,2,8,5,5,0,
%U A014715 8,8,7,8,5,2,4,6,1,5,5,7,1,2,6,8,1,5,7,6,6,8,6,4,4,2,5,2,2,5,5,5
%N A014715 Decimal expansion of Conway's constant.
%D A014715 J. H. Conway, The weird and wonderful chemistry of audioactive decay, 
               in T. M. Cover and Gopinath, eds., Open Problems in Communication 
               and Computation, Springer, NY 1987, pp. 173-188.
%D A014715 S. R. Finch, Mathematical Constants, Cambridge, 2003, pp. 452-455.
%D A014715 I. Vardi, Computational Recreations in Mathematica. Addison-Wesley, Redwood 
               City, CA, 1991, p. 4.
%H A014715 Harry J. Smith, <a href="b014715.txt">Table of n, a(n) for n=1,...,20000</
               a>
%H A014715 S. R. Finch, <a href="http://algo.inria.fr/bsolve/constant/cnwy/cnwy.html">
               Conway's Constant</a>
%H A014715 Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/
               ConwaysConstant.html">Link to a section of The World of Mathematics.</
               a>
%H A014715 Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/
               LookandSaySequence.html">Link to a section of The World of Mathematics.</
               a>
%e A014715 1.3032901718138379...
%e A014715 1.303577269034296391257099112152551890730702504659404875754861390628550... 
               [From Harry J. Smith (hjsmithh(AT)sbcglobal.net), May 12 2009]
%t A014715 First[RealDigits[Replace[x, First[Last[NSolve[{0==x^(71)-x^(69)-2x^(68)-x^(67)+2x^(66)+2x^(65)+x^(64)-x^(63)-\
               x^(62)-x^(61)-x^(60)-x^(59)+ 2x^(58)+5x^(57)+3x^(56)-2x^(55)-10x^(54)-3x^(53)-2x^(52)+6x^(51)+6x^(50)+x^(\
               49)+9x^(48)-3x^(47)- 7x^(46)-8x^(45)-8x^(44)+10x^(43)+6x^(42)+8x^(41)-5x^(40)-12x^(39)+7x^(38)-7x^(37)+7x\
               ^(36)+x^(35)- 3x^(34)+10x^(33)+x^(32)-6x^(31)-2x^(30)-10x^(29)-3x^(28)+2x^(27)+9x^(26)-3x^(25)+14x^(24)-8\
               x^(23)- 7x^(21)+9x^(20)+3x^(19)-4x^(18)-10x^(17)-7x^(16)+12x^(15)+7x^(14)+2x^(13)-12x^(12)-4x^(11)- 
               2x^(10)+5x^9+x^7-7x^6+7x^5-4x^4+12x^3-6x^2+3x-6}, {x}, 100]]]]]] 
               - Ryan Propper (rpropper(AT)stanford.edu), Jul 29 2005
%o A014715 Contribution from Harry J. Smith (hjsmithh(AT)sbcglobal.net), May 15 
               2009: (Start)
%o A014715 (PARI) { allocatemem(932245000); default(realprecision, 20080); x=NULL; 
               r=solve(x=1, 2,\
%o A014715 x^71-x^69-2*x^68-x^67+2*x^66+2*x^65+x^64-x^63-x^62-x^61-x^60\
%o A014715 -x^59+2*x^58+5*x^57+3*x^56-2*x^55-10*x^54-3*x^53-2*x^52+6*x^51\
%o A014715 +6*x^50+x^49+9*x^48-3*x^47-7*x^46-8*x^45-8*x^44+10*x^43+6*x^42\
%o A014715 +8*x^41-5*x^40-12*x^39+7*x^38-7*x^37+7*x^36+x^35-3*x^34+10*x^33\
%o A014715 +x^32-6*x^31-2*x^30-10*x^29-3*x^28+2*x^27+9*x^26-3*x^25+14*x^24\
%o A014715 -8*x^23-7*x^21+9*x^20+3*x^19-4*x^18-10*x^17-7*x^16+12*x^15\
%o A014715 +7*x^14+2*x^13-12*x^12-4*x^11-2*x^10+5*x^9+x^7-7*x^6+7*x^5\
%o A014715 -4*x^4+12*x^3-6*x^2+3*x-6); for (n=1, 20000, d=floor(r); r=(r-d)*10; 
               write("b014715.txt", n, " ", d)); } (End)
%Y A014715 Cf. A014967.
%Y A014715 Cf. A014967 = Continued fraction. [From Harry J. Smith (hjsmithh(AT)sbcglobal.net), 
               May 12 2009]
%Y A014715 Sequence in context: A060858 A127749 A138188 this_sequence A131656 A120987 
               A011076
%Y A014715 Adjacent sequences: A014712 A014713 A014714 this_sequence A014716 A014717 
               A014718
%K A014715 nonn,cons
%O A014715 1,2
%A A014715 Eric Weisstein (eric(AT)weisstein.com)
%E A014715 More terms from Eric Weisstein (eric(AT)weisstein.com), Jul 01, 2003
%E A014715 Fixed my PARI program, had -n. Removed an old PARI program Harry J. Smith 
               (hjsmithh(AT)sbcglobal.net), May 19 2009

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