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 | 9 |
| 2 | 79 |
| 3 | 355 |
| 4 | 1077 |
| 5 | 2581 |
| 6 | 5299 |
| 7 | 9759 |
| 8 | 16585 |
| 9 | 26497 |
| 10 | 40311 |
| 11 | 58939 |
| 12 | 83389 |
| 13 | 114765 |
| 14 | 154267 |
| 15 | 203191 |
| 16 | 262929 |
| 17 | 334969 |
| 18 | 420895 |
| 19 | 522387 |
| 20 | 641221 |
| 21 | 779269 |
| 22 | 938499 |
| 23 | 1120975 |
| 24 | 1328857 |
| 25 | 1564401 |
| 26 | 1829959 |
| 27 | 2127979 |
| 28 | 2461005 |
| 29 | 2831677 |
| 30 | 3242731 |
| 31 | 3696999 |
| 32 | 4197409 |