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 | 4 |
| 2 | 14 |
| 3 | 49 |
| 4 | 125 |
| 5 | 296 |
| 6 | 646 |
| 7 | 1304 |
| 8 | 2459 |
| 9 | 4543 |
| 10 | 7882 |
| 11 | 13272 |
| 12 | 21856 |
| 13 | 34934 |
| 14 | 53446 |
| 15 | 82055 |
| 16 | 121322 |
| 17 | 175498 |
| 18 | 251714 |
| 19 | 354810 |
| 20 | 488440 |
| 21 | 676065 |
| 22 | 914834 |
| 23 | 1220629 |
| 24 | 1627770 |
| 25 | 2135954 |
| 26 | 2759889 |
| 27 | 3590609 |
| 28 | 4602572 |
| 29 | 5830588 |
| 30 | 7386200 |
| 31 | 9266652 |
| 32 | 11469407 |
| 33 | 14314939 |
| 34 | 17658240 |