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.

A376096 a(0) = 1; a(n) = Sum_{k=0..n-1} (k+1)^3 * a(k) * a(n-k-1).

Table of values

n a(n)
0 1
1 1
2 9
3 260
4 17215
5 2189997
6 477731884
7 164858203944
8 84745577983095
9 61951785517193675
10 62077057930391945969
11 82749694746019635920952
12 143157935882304543684640676
13 314805573970543375502985796300
14 864458294787075036217714712292600
15 2919280453922974335841433174057739408

List of values

[1, 1, 9, 260, 17215, 2189997, 477731884, 164858203944, 84745577983095, 61951785517193675, 62077057930391945969, 82749694746019635920952, 143157935882304543684640676, 314805573970543375502985796300, 864458294787075036217714712292600, 2919280453922974335841433174057739408]