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.

A263026 a(n) = Sum_{k=1..n} Stirling2(n,k)*((k+1)!)^3/8.

Table of values

n a(n)
1 1
2 28
3 1810
4 226558
5 48859606
6 16717044358
7 8536211225830
8 6206816010688678
9 6191950081736354086
10 8223501207813329312038
11 14182148054223247947725350
12 31102596462109513014876988198
13 85207893723061275473574262742566
14 287156553366174285430392015701185318
15 1174632657911183483067648902342293048870

List of values

[1, 28, 1810, 226558, 48859606, 16717044358, 8536211225830, 6206816010688678, 6191950081736354086, 8223501207813329312038, 14182148054223247947725350, 31102596462109513014876988198, 85207893723061275473574262742566, 287156553366174285430392015701185318, 1174632657911183483067648902342293048870]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement.