cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A092779 Exponent of 2 in central fibonomial coefficient A003267.

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%I A092779 #6 Sep 28 2016 03:10:31
%S A092779 0,0,1,2,2,3,1,1,2,3,3,4,1,1,2,3,3,4,2,2,3,4,4,5,1,1,2,3,3,4,2,2,3,4,
%T A092779 4,5,2,2,3,4,4,5,3,3,4,5,5,6,1,1,2,3,3,4,2,2,3,4,4,5,2,2,3,4,4,5,3,3,
%U A092779 4,5,5,6,2,2,3,4,4,5,3,3,4,5,5,6,3,3,4,5,5,6,4,4,5,6,6,7,1,1,2,3,3,4,2
%N A092779 Exponent of 2 in central fibonomial coefficient A003267.
%t A092779 Table[IntegerExponent[Round[GoldenRatio^(n^2) QBinomial[2 n, n, -1/GoldenRatio^2]], 2], {n, 0, 30}] (* _Vladimir Reshetnikov_, Sep 27 2016 *)
%o A092779 (PARI) a(n)=valuation(prod(m=0,n-1,fibonacci(2*n-m))/prod(m=1,n,fibonacci(m)),2)
%K A092779 nonn
%O A092779 0,4
%A A092779 _Ralf Stephan_, Apr 14 2004
%E A092779 a(0) = 0 added and offset changed from 1 to 0 by _Vladimir Reshetnikov_, Sep 27 2016