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 | 1 |
| 3 | 3 |
| 4 | 3 |
| 5 | 1 |
| 6 | 3 |
| 7 | 25 |
| 8 | 9 |
| 9 | 61 |
| 10 | 91 |
| 11 | 99 |
| 12 | 151 |
| 13 | 901 |
| 14 | 303 |
| 15 | 1759 |
| 16 | 3379 |
| 17 | 5239 |
| 18 | 4713 |
| 19 | 8227 |
| 20 | 12901 |
| 21 | 12537 |
| 22 | 23059 |
| 23 | 65239 |
| 24 | 159421 |
| 25 | 232369 |
| 26 | 489817 |
| 27 | 351237 |
| 28 | 726295 |
| 29 | 564363 |
| 30 | 1101883 |
| 31 | 2517865 |
| 32 | 6916027 |
| 33 | 11825821 |
| 34 | 4942227 |
| 35 | 27166753 |
| 36 | 21280053 |
| 37 | 39547957 |
| 38 | 52630273 |
| 39 | 113638975 |