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.

A126472 Largest term in rows of triangle A126470, in which row sums equal factorials.

This page as a plain text file.
%I A126472 #4 Mar 30 2012 18:37:02
%S A126472 1,1,1,3,7,26,136,784,5189,40639,357638,3472240,37835023,449901885,
%T A126472 5763035223,79697811456,1185091117180,18789393725696,316557520950918,
%U A126472 5664877511610114,106815500916218123,2123415404236087790
%N A126472 Largest term in rows of triangle A126470, in which row sums equal factorials.
%C A126472 In triangle A126470, row n lists coefficients of q in F(n,q) that satisfies: F(n,q) = Sum_{k=0..n-1} C(n-1,k)*F(k,q)*F(n-k-1,q)*q^k for n>0, with F(0,q) = 1.
%e A126472 Row functions F(n,q) of triangle A126470 begin:
%e A126472 F(0,q) = F(1,q) = 1;
%e A126472 F(1,q) = 1 + q;
%e A126472 F(2,q) = 1 + 3*q + q^2 + q^3;
%e A126472 F(3,q) = 1 + 6*q + 7*q^2 + 5*q^3 + 3*q^4 + q^5 + q^6.
%o A126472 (PARI)
%Y A126472 Cf. A126470, A126471.
%K A126472 nonn
%O A126472 0,4
%A A126472 _Paul D. Hanna_, Dec 31 2006