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.

A380553 G.f. A(x) satisfies x = Sum_{n>=1} A( x^n*(1-x)^(4*n) ).

Table of values

n a(n)
1 1
2 3
3 25
4 200
5 1770
6 16351
7 158223
8 1577328
9 16112031
10 167708890
11 1772645419
12 18974340640
13 205263418940
14 2240623110285
15 24648785800540
16 272994642782048
17 3041495503591364
18 34064252952038769
19 383302465665133013
20 4331178750570145160
21 49126274119206904221
22 559128033687856289017

List of values

[1, 3, 25, 200, 1770, 16351, 158223, 1577328, 16112031, 167708890, 1772645419, 18974340640, 205263418940, 2240623110285, 24648785800540, 272994642782048, 3041495503591364, 34064252952038769, 383302465665133013, 4331178750570145160, 49126274119206904221, 559128033687856289017]