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 | 0 |
| 1 | 1 |
| 2 | 7 |
| 3 | 28 |
| 4 | 85 |
| 5 | 218 |
| 6 | 498 |
| 7 | 1045 |
| 8 | 2055 |
| 9 | 3840 |
| 10 | 6887 |
| 11 | 11945 |
| 12 | 20153 |
| 13 | 33228 |
| 14 | 53741 |
| 15 | 85522 |
| 16 | 134254 |
| 17 | 208344 |
| 18 | 320200 |
| 19 | 488103 |
| 20 | 738951 |
| 21 | 1112281 |
| 22 | 1666164 |
| 23 | 2485845 |
| 24 | 3696406 |
| 25 | 5481325 |
| 26 | 8109676 |
| 27 | 11975993 |
| 28 | 17658694 |
| 29 | 26005706 |
| 30 | 38259955 |
| 31 | 56243281 |
| 32 | 82625979 |
| 33 | 121321831 |
| 34 | 178067054 |