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 | 215 |
| 2 | 677 |
| 3 | 2953 |
| 4 | 7979 |
| 5 | 30543 |
| 6 | 50371 |
| 7 | 112283 |
| 8 | 156589 |
| 9 | 277517 |
| 10 | 555843 |
| 11 | 678957 |
| 12 | 1153875 |
| 13 | 1569637 |
| 14 | 1810805 |
| 15 | 2364089 |
| 16 | 3389675 |
| 17 | 4675707 |
| 18 | 5167277 |
| 19 | 6846631 |
| 20 | 8147047 |
| 21 | 8855295 |
| 22 | 11222313 |
| 23 | 13014767 |
| 24 | 16045439 |
| 25 | 20772343 |
| 26 | 23449327 |
| 27 | 24870063 |
| 28 | 27880975 |
| 29 | 29473619 |
| 30 | 32839031 |
| 31 | 46617799 |
| 32 | 51162221 |