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Search: id:A154956
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%I A154956
%S A154956 1,2,3,5,10,71,868,1788,7455,44266,54626,74153,224166,390471,1489304,
%T A154956 3737961,22277163,37201631,113275744,165029426,2642368758,3362202939,
%U A154956 5191046363,8438525012,36226438506,40174126779,125336047846
%N A154956 Pierce expansion of 2/Pi
%H A154956 Simon Plouffe, <a href="b154956.txt">Table of n, a(n) for n = 0..216</
               a>
%e A154956 1-1/2(1-1/3(1-1/5(1-1/10(1-1/71))))=2/(355/113)
%p A154956 Digits := 300: Pierce := proc(x) local resid,a,i,an ; resid := x ; a 
               := [] ; for i from 1 do an := floor(1./resid) ; a := [op(a),an] ; 
               resid := evalf(1.-an*resid) ; if ilog10( mul(i,i=a)) > 0.7*Digits 
               then break ; fi ; od: RETURN(a) ; end: a060294 := evalf(2/Pi) ; Pierce(a060294) 
               ; [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Jan 21 2009]
%Y A154956 Cf. A006283,A061233.
%Y A154956 Cf. A060294. [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Jan 21 
               2009]
%Y A154956 Sequence in context: A003504 A003182 A134294 this_sequence A130165 A083397 
               A067362
%Y A154956 Adjacent sequences: A154953 A154954 A154955 this_sequence A154957 A154958 
               A154959
%K A154956 nonn
%O A154956 0,2
%A A154956 Jaume Oliver Lafont (joliverlafont(AT)gmail.com), Jan 18 2009
%E A154956 More terms from R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Jan 21 2009
%E A154956 Offset in b-file corrected by N. J. A. Sloane, Aug 31 2009

    
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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.


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