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 | 1 |
| 2 | 2 |
| 3 | 3 |
| 4 | 5 |
| 5 | 8 |
| 6 | 14 |
| 7 | 25 |
| 8 | 49 |
| 9 | 96 |
| 10 | 199 |
| 11 | 413 |
| 12 | 894 |
| 13 | 1924 |
| 14 | 4261 |
| 15 | 9392 |
| 16 | 21205 |
| 17 | 47534 |
| 18 | 108492 |
| 19 | 246313 |
| 20 | 568003 |
| 21 | 1302431 |
| 22 | 3024429 |
| 23 | 6990985 |
| 24 | 16343338 |
| 25 | 38026783 |
| 26 | 89322813 |
| 27 | 208986625 |
| 28 | 493184761 |
| 29 | 1159317065 |
| 30 | 2745547588 |
| 31 | 6480141829 |
| 32 | 15399987104 |
| 33 | 36475269692 |
| 34 | 86916706534 |
| 35 | 206503331542 |