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.

A357402 Coefficients in the power series A(x) such that: 2 = Sum_{n=-oo..+oo} x^(2*n+1) * (1 - x^n)^(n+1) * A(x)^n.

Table of values

n a(n)
0 1
1 2
2 8
3 42
4 236
5 1420
6 8976
7 58644
8 393200
9 2689522
10 18694164
11 131658910
12 937490780
13 6737990172
14 48816739048
15 356142597586
16 2614103310384
17 19291118713324
18 143044431901580
19 1065237986700788
20 7963426677825000
21 59741019702076168
22 449601401992383464
23 3393484429948103486

List of values

[1, 2, 8, 42, 236, 1420, 8976, 58644, 393200, 2689522, 18694164, 131658910, 937490780, 6737990172, 48816739048, 356142597586, 2614103310384, 19291118713324, 143044431901580, 1065237986700788, 7963426677825000, 59741019702076168, 449601401992383464, 3393484429948103486]