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 | 0 |
| 1 | 0 |
| 2 | 1 |
| 3 | 3 |
| 4 | 4 |
| 5 | 9 |
| 6 | 14 |
| 7 | 28 |
| 8 | 51 |
| 9 | 92 |
| 10 | 173 |
| 11 | 319 |
| 12 | 603 |
| 13 | 1148 |
| 14 | 2188 |
| 15 | 4191 |
| 16 | 8051 |
| 17 | 15535 |
| 18 | 30003 |
| 19 | 58138 |
| 20 | 112855 |
| 21 | 219452 |
| 22 | 427408 |
| 23 | 833549 |
| 24 | 1627633 |
| 25 | 3181948 |
| 26 | 6226802 |
| 27 | 12196599 |
| 28 | 23910445 |
| 29 | 46911094 |
| 30 | 92104226 |
| 31 | 180957097 |
| 32 | 355747623 |
| 33 | 699778072 |
| 34 | 1377253775 |