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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.

A346397 Expansion of e.g.f. -log(1 - x) * exp(-2*x).

Table of values

n a(n)
0 0
1 1
2 -3
3 8
4 -18
5 44
6 -80
7 272
8 112
9 5280
10 38464
11 414336
12 4573184
13 55680000
14 731374592
15 10335551488
16 156303374336
17 2518984953856
18 43099088904192
19 780268881068032
20 14902336355991552
21 299452809651617792
22 6315501510330286080
23 139485953831281098752
24 3219718099932087844864

List of values

[0, 1, -3, 8, -18, 44, -80, 272, 112, 5280, 38464, 414336, 4573184, 55680000, 731374592, 10335551488, 156303374336, 2518984953856, 43099088904192, 780268881068032, 14902336355991552, 299452809651617792, 6315501510330286080, 139485953831281098752, 3219718099932087844864]

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

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