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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.

A317280 Expansion of e.g.f. 1/(1 - log(1 + x))^2.

Table of values

n a(n)
0 1
1 2
2 4
3 10
4 30
5 108
6 444
7 2112
8 11040
9 65712
10 414816
11 2992944
12 21876816
13 188936928
14 1527813216
15 15991733376
16 133364903040
17 1794144752640
18 13329036288000
19 270750383400960
20 1167153128110080
21 57074973648030720
22 -103080839984916480
23 17319631144046423040
24 -171982551742151685120

List of values

[1, 2, 4, 10, 30, 108, 444, 2112, 11040, 65712, 414816, 2992944, 21876816, 188936928, 1527813216, 15991733376, 133364903040, 1794144752640, 13329036288000, 270750383400960, 1167153128110080, 57074973648030720, -103080839984916480, 17319631144046423040, -171982551742151685120]

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

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