Search: id:A095715
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%I A095715
%S A095715 0,6,0,1,6,0,8,1,6,0,0,8,1,6,0,3,0,8,1,6,0,3,3,0,8,1,6,0,9,3,3,0,8,1,6,
%T A095715 0,8,9,3,3,0,8,1,6,0,8,8,9,3,3,0,8,1,6,0,7,8,8,9,3,3,0,8,1,6,0,4,7,8,8,
%U A095715 9,3,3,0,8,1,6,0,9,4,7,8,8,9,3,3,0,8,1,6,0,8,9,4,7,8,8,9,3,3,0,8,1,6,0
%N A095715 Triangle of numbers obtained by reversing the first n digits of 1/phi 
               and juxtaposing (phi denotes the golden ratio: A001622).
%H A095715 Paul Cooijmans, <a href="http://web.archive.org/web/20050302171708/http:/
               /members.chello.nl/p.cooijmans/gliaweb/tests/num.html">Numbers</a>
               , Item 16.
%H A095715 Paul Cooijmans, <a href="http://web.archive.org/web/20031006141136/http:/
               /members.chello.nl/p.cooijmans/gliaweb/tests/tfg/tfgshort.html">Short 
               Test For Genius</a>, Item 32.
%e A095715 0; 6,0; 1,6,0; 8,1,6,0; 0,8,1,6,0; 3,0,8,1,6,0; 3,3,0,8,1,6,0; 9,3,3,
               0,8,1,6,0;... (reverse order of 0.6; 0.61; 0.618; 0.6180; 0.61803; 
               0.618033; 0.6180339;...)
%o A095715 (PARI) a(n)=if(n<1,0,default(realprecision,n+2);floor((-1/2+sqrt(5)/2)*10^(n-1))%10); 
               b(n)=1+binomial(1+floor(1/2+sqrt(2*n)),2)-n; for(n=1,120,print1(a(b(n)),
               ",")
%Y A095715 Cf. A094214.
%Y A095715 Cf. A095713.
%Y A095715 Sequence in context: A011253 A049248 A094691 this_sequence A141108 A019846 
               A137943
%Y A095715 Adjacent sequences: A095712 A095713 A095714 this_sequence A095716 A095717 
               A095718
%K A095715 base,easy,nonn,tabl
%O A095715 1,2
%A A095715 Herman Jamke (hermanjamke(AT)fastmail.fm), Jul 07 2004

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