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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.

A319392 a(n) = Sum_{k=0..n} (-1)^(n-k)*binomial(n,k)*k!*n^k.

Table of values

n a(n)
0 1
1 0
2 5
3 116
4 4785
5 307024
6 28435285
7 3598112580
8 596971515329
9 125802906617600
10 32834740225688901
11 10399056510149276980
12 3929349957207906673585
13 1746371472945523953503376
14 901944505258819679842017365
15 535692457387043907059336566724
16 362573376628272441934460817960705

List of values

[1, 0, 5, 116, 4785, 307024, 28435285, 3598112580, 596971515329, 125802906617600, 32834740225688901, 10399056510149276980, 3929349957207906673585, 1746371472945523953503376, 901944505258819679842017365, 535692457387043907059336566724, 362573376628272441934460817960705]

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

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