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.

A357232 a(n) = coefficient of x^n, n >= 0, in A(x) such that: 2 = Sum_{n=-oo..+oo} (-1)^n * x^n * (2*A(x) + x^n)^(2*n+1).

Table of values

n a(n)
0 1
1 3
2 25
3 254
4 2763
5 32180
6 393169
7 4964017
8 64254694
9 848214039
10 11375359344
11 154547261539
12 2122630191360
13 29423373611509
14 411105855956011
15 5783709944279141
16 81862107418919278
17 1164873718427628846
18 16654829725736560441
19 239140138388082634266
20 3446933945466334214525

List of values

[1, 3, 25, 254, 2763, 32180, 393169, 4964017, 64254694, 848214039, 11375359344, 154547261539, 2122630191360, 29423373611509, 411105855956011, 5783709944279141, 81862107418919278, 1164873718427628846, 16654829725736560441, 239140138388082634266, 3446933945466334214525]