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 | 3 |
| 2 | 10 |
| 3 | 53 |
| 4 | 191 |
| 5 | 478 |
| 6 | 538 |
| 7 | 1082 |
| 8 | 1277 |
| 9 | 1346 |
| 10 | 2498 |
| 11 | 3299 |
| 12 | 5147 |
| 13 | 12889 |
| 14 | 20849 |
| 15 | 28277 |
| 16 | 31454 |
| 17 | 338098 |
| 18 | 520526 |
| 19 | 546461 |
| 20 | 1050706 |
| 21 | 1761289 |
| 22 | 1965077 |
| 23 | 3467038 |
| 24 | 6085103 |
| 25 | 27348949 |
| 26 | 27915898 |
| 27 | 111108917 |
| 28 | 113652593 |
| 29 | 230126531 |
| 30 | 231902434 |
| 31 | 327764249 |
| 32 | 438981203 |
| 33 | 581755523 |
| 34 | 1837981759 |
| 35 | 2489382911 |