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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.

A351508 a(n) = [x^n] Product_{k=1..n} 1/(1 - k*x)^n.

Table of values

n a(n)
0 1
1 1
2 23
3 1386
4 162154
5 31354800
6 9078595483
7 3682549444112
8 1994756395887972
9 1391788744738729470
10 1216130179327397765925
11 1301126343608005909401330
12 1673298722590019165433540916
13 2547164111922284803722749855516

List of values

[1, 1, 23, 1386, 162154, 31354800, 9078595483, 3682549444112, 1994756395887972, 1391788744738729470, 1216130179327397765925, 1301126343608005909401330, 1673298722590019165433540916, 2547164111922284803722749855516]

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

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