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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.

A264437 a(n) = Bernoulli(n, 1)*Pochhammer(n+1, n).

Table of values

n a(n)
0 1
1 1
2 2
3 0
4 -56
5 0
6 15840
7 0
8 -17297280
9 0
10 50791104000
11 0
12 -327856732600320
13 0
14 4080179409546240000
15 0
16 -89192941330901151744000
17 0
18 3193957788339335451033600000
19 0
20 -177450861021098776794591068160000
21 0
22 14644425624059165645548485417369600000
23 0

List of values

[1, 1, 2, 0, -56, 0, 15840, 0, -17297280, 0, 50791104000, 0, -327856732600320, 0, 4080179409546240000, 0, -89192941330901151744000, 0, 3193957788339335451033600000, 0, -177450861021098776794591068160000, 0, 14644425624059165645548485417369600000, 0]

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

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