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.
n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 2 |
3 | 7 |
4 | 28 |
5 | 139 |
6 | 822 |
7 | 5677 |
8 | 44888 |
9 | 400021 |
10 | 3966970 |
11 | 43328131 |
12 | 516782292 |
13 | 6682867087 |
14 | 93130824878 |
15 | 1391321096089 |
16 | 22181459914672 |
17 | 375880800693097 |
18 | 6746469047955378 |
19 | 127851581333528191 |
20 | 2551039715319388940 |
21 | 53457519928692619411 |
22 | 1173770856436282074982 |
23 | 26948387795024752862917 |
24 | 645694707721735535710728 |
25 | 16117771962578155161812989 |