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.

A179709 Number of permutations of 1..n having exactly 6 maxima.

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%I A179709 #14 Feb 09 2016 07:47:39
%S A179709 0,353792,22368256,795300864,21016670208,460858269696,8885192097792,
%T A179709 155964390375424,2550316668551168,39471306959486976,
%U A179709 584901762421358592,8369943835924758528,116424418353082269696,1582198544942090944512,21092268709406041964544
%N A179709 Number of permutations of 1..n having exactly 6 maxima.
%C A179709 a(n) = A130662(n-1)*512.
%H A179709 Alois P. Heinz, <a href="/A179709/b179709.txt">Table of n, a(n) for n = 10..300</a>
%F A179709 G.f.: -512*x^11* (2090188800*x^10 -5075343360*x^9 +5480510976*x^8 -3456747648*x^7 +1407037152*x^6 -385459712*x^5 +71872912*x^4 -8997896*x^3 +723346*x^2 -33704*x+691) / ((12*x-1) *(10*x-1)^2 *(8*x-1)^3 *(6*x-1)^4 *(4*x-1)^5 *(2*x-1)^6). - _Alois P. Heinz_, Oct 01 2013
%Y A179709 Column k=5 of A008303.
%K A179709 nonn
%O A179709 10,2
%A A179709 _R. H. Hardin_, Jul 25 2010
%E A179709 a(17)-a(24) from _Alois P. Heinz_, Oct 01 2013