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) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 3 |
| 3 | 8 |
| 4 | 9 |
| 5 | 22 |
| 6 | 19 |
| 7 | 100 |
| 8 | 101 |
| 9 | 266 |
| 10 | 435 |
| 11 | 860 |
| 12 | 1603 |
| 13 | 4110 |
| 14 | 6529 |
| 15 | 4672 |
| 16 | 12397 |
| 17 | 21558 |
| 18 | 7845 |
| 19 | 57648 |
| 20 | 9447 |
| 21 | 50190 |
| 22 | 199053 |
| 23 | 1880620 |
| 24 | 1710309 |
| 25 | 7344462 |
| 26 | 7529113 |
| 27 | 34610408 |
| 28 | 555889 |
| 29 | 3316906 |
| 30 | 21528385 |
| 31 | 167087336 |
| 32 | 124402817 |
| 33 | 73289470 |
| 34 | 764401867 |