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 | 1 |
| 6 | 3 |
| 7 | 8 |
| 8 | 16 |
| 9 | 30 |
| 10 | 58 |
| 11 | 115 |
| 12 | 229 |
| 13 | 456 |
| 14 | 912 |
| 15 | 1824 |
| 16 | 3643 |
| 17 | 7286 |
| 18 | 14572 |
| 19 | 29132 |
| 20 | 58262 |
| 21 | 116522 |
| 22 | 233024 |
| 23 | 466048 |
| 24 | 932096 |
| 25 | 1864150 |
| 26 | 3728300 |
| 27 | 7456600 |
| 28 | 14913112 |
| 29 | 29826220 |
| 30 | 59652436 |
| 31 | 119304704 |
| 32 | 238609408 |
| 33 | 477218816 |
| 34 | 954437292 |
| 35 | 1908874584 |