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 | 2 |
| 4 | 4 |
| 5 | 4 |
| 6 | 9 |
| 7 | 10 |
| 8 | 22 |
| 9 | 30 |
| 10 | 62 |
| 11 | 94 |
| 12 | 192 |
| 13 | 316 |
| 14 | 623 |
| 15 | 1096 |
| 16 | 2122 |
| 17 | 3856 |
| 18 | 7429 |
| 19 | 13798 |
| 20 | 26500 |
| 21 | 49940 |
| 22 | 95885 |
| 23 | 182362 |
| 24 | 350650 |
| 25 | 671092 |
| 26 | 1292762 |
| 27 | 2485534 |
| 28 | 4797886 |
| 29 | 9256396 |
| 30 | 17904476 |
| 31 | 34636834 |
| 32 | 67126282 |
| 33 | 130150588 |
| 34 | 252679832 |
| 35 | 490853416 |