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.

A249928 G.f. A(x) satisfies: 1+x = A(x)^2 + A(x)^5 - A(x)^6.

Table of values

n a(n)
0 1
1 1
2 4
3 42
4 530
5 7489
6 113289
7 1794784
8 29397876
9 493818165
10 8460325159
11 147264321834
12 2596986868762
13 46299572773077
14 833111268412360
15 15110637698827976
16 275970530427257207
17 5070759797283817869
18 93671715612197557390
19 1738657226550598494420
20 32409645286487921390715

List of values

[1, 1, 4, 42, 530, 7489, 113289, 1794784, 29397876, 493818165, 8460325159, 147264321834, 2596986868762, 46299572773077, 833111268412360, 15110637698827976, 275970530427257207, 5070759797283817869, 93671715612197557390, 1738657226550598494420, 32409645286487921390715]