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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.

A317094 a(n) = (n + 1)^2 + n!*L_n(-1), where L_n(x) is the Laguerre polynomial.

Table of values

n a(n)
0 2
1 6
2 16
3 50
4 234
5 1582
6 13376
7 130986
8 1441810
9 17572214
10 234662352
11 3405357826
12 53334454586
13 896324308830
14 16083557845504
15 306827170866362
16 6199668952527906
17 132240988644216166
18 2968971263911289360
19 69974827707903049554
20 1727194482044146637962
21 44552237162692939114766

List of values

[2, 6, 16, 50, 234, 1582, 13376, 130986, 1441810, 17572214, 234662352, 3405357826, 53334454586, 896324308830, 16083557845504, 306827170866362, 6199668952527906, 132240988644216166, 2968971263911289360, 69974827707903049554, 1727194482044146637962, 44552237162692939114766]

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

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