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 | 15015 |
| 2 | 19635 |
| 3 | 21945 |
| 4 | 23205 |
| 5 | 25935 |
| 6 | 31395 |
| 7 | 33915 |
| 8 | 39585 |
| 9 | 41055 |
| 10 | 45885 |
| 11 | 51765 |
| 12 | 80535 |
| 13 | 83265 |
| 14 | 354585 |
| 15 | 359205 |
| 16 | 361515 |
| 17 | 366135 |
| 18 | 382305 |
| 19 | 389235 |
| 20 | 400785 |
| 21 | 403095 |
| 22 | 407715 |
| 23 | 414645 |
| 24 | 416955 |
| 25 | 423885 |
| 26 | 430815 |
| 27 | 437745 |
| 28 | 442365 |
| 29 | 77967015 |
| 30 | 132335385 |
| 31 | 617102535 |
| 32 | 724239285 |
| 33 | 1756753845 |