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.

A091354 Row sums of the matrix cube of triangle A091351, in which the k-th column lists the row sums of A091351^k (the k-th power of A091351 when considered as a lower triangular matrix).

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%I A091354 #3 Mar 30 2012 18:36:40
%S A091354 1,4,16,70,344,1908,11904,83028,642960,5490560,51373420,523581128,
%T A091354 5781166688,68819889018,879350377816,12012238559559,174794145558664,
%U A091354 2700485871440464,44163954923956850,762460145368056070
%N A091354 Row sums of the matrix cube of triangle A091351, in which the k-th column lists the row sums of A091351^k (the k-th power of A091351 when considered as a lower triangular matrix).
%C A091354 Also equals the third column of triangle A091351.
%Y A091354 Cf. A091351, A091352, A091353.
%K A091354 nonn
%O A091354 0,2
%A A091354 _Paul D. Hanna_, Jan 02 2004