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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.

A295183 a(n) = n! * [x^n] exp(n*x)/(1 - x)^n.

Table of values

n a(n)
0 1
1 2
2 18
3 276
4 5960
5 165870
6 5648832
7 227507336
8 10577029248
9 557457222330
10 32843470246400
11 2139014862736092
12 152592485390272512
13 11833139429253625574
14 991101777088623943680
15 89164680959505831930000
16 8575295241502192869343232
17 877955050581430468997781234
18 95337079570413427211596726272

List of values

[1, 2, 18, 276, 5960, 165870, 5648832, 227507336, 10577029248, 557457222330, 32843470246400, 2139014862736092, 152592485390272512, 11833139429253625574, 991101777088623943680, 89164680959505831930000, 8575295241502192869343232, 877955050581430468997781234, 95337079570413427211596726272]

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

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