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) |
|---|---|
| 1 | 1 |
| 2 | 20864888 |
| 3 | 23309765 |
| 4 | 146095088 |
| 5 | 725027284 |
| 6 | 745400258 |
| 7 | 803458304 |
| 8 | 810273142 |
| 9 | 816409484 |
| 10 | 1663345356 |
| 11 | 2970502211 |
| 12 | 5035530306 |
| 13 | 5705842932 |
| 14 | 5801143392 |
| 15 | 5969549784 |
| 16 | 6143081912 |
| 17 | 6582975516 |
| 18 | 6801076116 |
| 19 | 6828208884 |
| 20 | 6830325216 |
| 21 | 6911416408 |
| 22 | 7248217206 |
| 23 | 7248822984 |
| 24 | 7317408465 |