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 | 6 |
3 | 66 |
4 | 1084 |
5 | 23920 |
6 | 665388 |
7 | 22374884 |
8 | 883177328 |
9 | 40043323728 |
10 | 2051202965280 |
11 | 117166763184768 |
12 | 7384596609153696 |
13 | 509084508866799840 |
14 | 38108295339435463296 |
15 | 3078340850588419228800 |
16 | 266906341797637061659392 |
17 | 24724454378396015985551616 |
18 | 2436960508983873399401081856 |
19 | 254658073346711773211982974976 |
20 | 28122779871625104764662272952320 |