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 | 0 |
| 2 | 1 |
| 3 | 3 |
| 4 | 5 |
| 5 | 7 |
| 6 | 15 |
| 7 | 45 |
| 8 | 95 |
| 9 | 235 |
| 10 | 463 |
| 11 | 733 |
| 12 | 1437 |
| 13 | 1583 |
| 14 | 1677 |
| 15 | 1803 |
| 16 | 4163 |
| 17 | 4765 |
| 18 | 9219 |
| 19 | 9959 |
| 20 | 25477 |
| 21 | 26059 |
| 22 | 41539 |
| 23 | 54195 |
| 24 | 65057 |
| 25 | 74977 |
| 26 | 116589 |
| 27 | 192289 |
| 28 | 311835 |
| 29 | 350767 |
| 30 | 353635 |
| 31 | 416337 |
| 32 | 423253 |