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 | 3 |
| 1 | 19 |
| 2 | 68 |
| 3 | 185 |
| 4 | 426 |
| 5 | 875 |
| 6 | 1652 |
| 7 | 2922 |
| 8 | 4905 |
| 9 | 7887 |
| 10 | 12232 |
| 11 | 18395 |
| 12 | 26936 |
| 13 | 38535 |
| 14 | 54008 |
| 15 | 74324 |
| 16 | 100623 |
| 17 | 134235 |
| 18 | 176700 |
| 19 | 229789 |
| 20 | 295526 |
| 21 | 376211 |
| 22 | 474444 |
| 23 | 593150 |
| 24 | 735605 |
| 25 | 905463 |
| 26 | 1106784 |
| 27 | 1344063 |
| 28 | 1622260 |
| 29 | 1946831 |