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.

A357399 Coefficients of x^n, n >= 0, in A(x) such that: x = Sum_{n=-oo..+oo} (-x)^n * (1 - (-x)^n)^n * A(x)^n.

Table of values

n a(n)
0 1
1 1
2 3
3 10
4 37
5 143
6 564
7 2270
8 9305
9 38755
10 163569
11 698186
12 3009129
13 13077850
14 57250728
15 252221229
16 1117409653
17 4975095073
18 22249463540
19 99901607730
20 450187852401
21 2035353779794
22 9229671434155
23 41968536407303
24 191318458136066
25 874179701912764
26 4002949886221529

List of values

[1, 1, 3, 10, 37, 143, 564, 2270, 9305, 38755, 163569, 698186, 3009129, 13077850, 57250728, 252221229, 1117409653, 4975095073, 22249463540, 99901607730, 450187852401, 2035353779794, 9229671434155, 41968536407303, 191318458136066, 874179701912764, 4002949886221529]