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 | 2 |
2 | 5 |
3 | 20 |
4 | 49 |
5 | 210 |
6 | 429 |
7 | 2860 |
8 | 7293 |
9 | 34034 |
10 | 113373 |
11 | 537472 |
12 | 1359507 |
13 | 6611810 |
14 | 24627135 |
15 | 37917616 |
16 | 177181213 |
17 | 973514514 |
18 | 1647439975 |
19 | 12026570280 |
20 | 17818756259 |
21 | 98555142278 |
22 | 502860886675 |
23 | 4577646742140 |
24 | 6402665244089 |