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 | 0 |
| 2 | 1 |
| 3 | 2 |
| 4 | 3 |
| 5 | 5 |
| 6 | 85 |
| 7 | 150 |
| 8 | 235 |
| 9 | 257 |
| 10 | 8802 |
| 11 | 9958 |
| 12 | 13655 |
| 13 | 14811 |
| 14 | 189806 |
| 15 | 428585 |
| 16 | 786435 |
| 17 | 9262450 |
| 18 | 31946605 |
| 19 | 34179458 |
| 20 | 387973685 |
| 21 | 424623193 |
| 22 | 430421657 |
| 23 | 640680742 |
| 24 | 742494286 |
| 25 | 1692399385 |
| 26 | 22182595205 |
| 27 | 30592589645 |
| 28 | 1103782149121 |
| 29 | 1134972961921 |
| 30 | 1871644872505 |
| 31 | 2047644601565 |
| 32 | 3205015384750 |
| 33 | 3304611554563 |
| 34 | 3628335729863 |
| 35 | 4467627704385 |