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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.

A347051 a(0) = 1, a(1) = 2; a(n) = n * (n+1) * a(n-1) + a(n-2).

Table of values

n a(n)
0 1
1 2
2 13
3 158
4 3173
5 95348
6 4007789
7 224531532
8 16170278093
9 1455549559902
10 160126621867313
11 21138169636045218
12 3297714589844921321
13 600205193521411725640
14 126046388354086307305721
15 30251733410174235165098680
16 8228597533955746051214146681
17 2517981097123868465906693983066

List of values

[1, 2, 13, 158, 3173, 95348, 4007789, 224531532, 16170278093, 1455549559902, 160126621867313, 21138169636045218, 3297714589844921321, 600205193521411725640, 126046388354086307305721, 30251733410174235165098680, 8228597533955746051214146681, 2517981097123868465906693983066]

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

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