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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.

A382739 a(n) = Sum_{k=0..n} (k!)^2 * binomial(k+3,3) * Stirling2(n,k)^2.

Table of values

n a(n)
0 1
1 4
2 44
3 1084
4 48044
5 3281404
6 316032044
7 40592233084
8 6687195379244
9 1372291071723004
10 342877475325619244
11 102409872018962876284
12 36014541870868393113644
13 14724003012156426011095804
14 6922777830859189006847193644
15 3708347961746448904830944962684

List of values

[1, 4, 44, 1084, 48044, 3281404, 316032044, 40592233084, 6687195379244, 1372291071723004, 342877475325619244, 102409872018962876284, 36014541870868393113644, 14724003012156426011095804, 6922777830859189006847193644, 3708347961746448904830944962684]

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

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