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 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 1 |
| 5 | 3 |
| 6 | 6 |
| 7 | 10 |
| 8 | 15 |
| 9 | 24 |
| 10 | 51 |
| 11 | 109 |
| 12 | 214 |
| 13 | 389 |
| 14 | 747 |
| 15 | 1595 |
| 16 | 3497 |
| 17 | 7379 |
| 18 | 15065 |
| 19 | 31750 |
| 20 | 70504 |
| 21 | 159352 |
| 22 | 353748 |
| 23 | 777240 |
| 24 | 1742696 |
| 25 | 4022595 |
| 26 | 9379659 |
| 27 | 21717264 |
| 28 | 50239529 |
| 29 | 117913537 |
| 30 | 281584044 |
| 31 | 676667552 |
| 32 | 1623733085 |
| 33 | 3908144320 |
| 34 | 9509212539 |
| 35 | 23393422297 |
| 36 | 57815808829 |