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 | 1 |
1 | 1 |
2 | 2 |
3 | 6 |
4 | 26 |
5 | 140 |
6 | 882 |
7 | 6349 |
8 | 51284 |
9 | 457704 |
10 | 4459940 |
11 | 47019819 |
12 | 532485538 |
13 | 6438774524 |
14 | 82710138994 |
15 | 1123798871990 |
16 | 16090426592488 |
17 | 241979954659728 |
18 | 3811335657375786 |
19 | 62712512310820402 |
20 | 1075527196672980525 |
21 | 19186234784992217621 |
22 | 355349469934379290700 |