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 | 1 |
| 1 | 5 |
| 2 | 16 |
| 3 | 42 |
| 4 | 98 |
| 5 | 210 |
| 6 | 420 |
| 7 | 792 |
| 8 | 1419 |
| 9 | 2431 |
| 10 | 4004 |
| 11 | 6370 |
| 12 | 9828 |
| 13 | 14756 |
| 14 | 21624 |
| 15 | 31008 |
| 16 | 43605 |
| 17 | 60249 |
| 18 | 81928 |
| 19 | 109802 |
| 20 | 145222 |
| 21 | 189750 |
| 22 | 245180 |
| 23 | 313560 |
| 24 | 397215 |
| 25 | 498771 |
| 26 | 621180 |
| 27 | 767746 |
| 28 | 942152 |
| 29 | 1148488 |
| 30 | 1391280 |
| 31 | 1675520 |
| 32 | 2006697 |
| 33 | 2390829 |
| 34 | 2834496 |
| 35 | 3344874 |
| 36 | 3929770 |