cp's OEIS Frontend

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.

A375798 Expansion of e.g.f. 1/(1 + (log(1 - x^2))/x).

Table of values

n a(n)
0 1
1 1
2 2
3 9
4 48
5 340
6 2820
7 27720
8 309120
9 3897936
10 54472320
11 838918080
12 14080651200
13 256214724480
14 5018771197440
15 105361754097600
16 2358985057228800
17 56124276848640000
18 1413738138502609920
19 37591686093776855040
20 1052149579611011481600

List of values

[1, 1, 2, 9, 48, 340, 2820, 27720, 309120, 3897936, 54472320, 838918080, 14080651200, 256214724480, 5018771197440, 105361754097600, 2358985057228800, 56124276848640000, 1413738138502609920, 37591686093776855040, 1052149579611011481600]