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 | 945 |
| 2 | 29835 |
| 3 | 33345 |
| 4 | 43065 |
| 5 | 46035 |
| 6 | 49875 |
| 7 | 83265 |
| 8 | 354585 |
| 9 | 359205 |
| 10 | 361515 |
| 11 | 366135 |
| 12 | 382305 |
| 13 | 389235 |
| 14 | 400785 |
| 15 | 403095 |
| 16 | 407715 |
| 17 | 414645 |
| 18 | 416955 |
| 19 | 423885 |
| 20 | 430815 |
| 21 | 437745 |
| 22 | 442365 |
| 23 | 77967015 |
| 24 | 132335385 |
| 25 | 210124665 |
| 26 | 719709375 |
| 27 | 724239285 |
| 28 | 1756753845 |
| 29 | 9665740455 |
| 30 | 10394173335 |