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 | 5 |
| 3 | 9 |
| 4 | 12 |
| 5 | 24 |
| 6 | 45 |
| 7 | 60 |
| 8 | 65 |
| 9 | 179 |
| 10 | 764 |
| 11 | 1268 |
| 12 | 5891 |
| 13 | 16135 |
| 14 | 29909 |
| 15 | 71774 |
| 16 | 173310 |
| 17 | 200040 |
| 18 | 1454560 |
| 19 | 2485272 |
| 20 | 86430343 |
| 21 | 92439810 |
| 22 | 115854652 |
| 23 | 7208007982 |
| 24 | 17016737751 |
| 25 | 17589706947 |
| 26 | 24531053552 |
| 27 | 33113576855 |
| 28 | 80692537585 |
| 29 | 234365843350 |
| 30 | 266484243960 |
| 31 | 285357252641 |
| 32 | 426388494035 |
| 33 | 975986718040 |
| 34 | 1505420538689 |
| 35 | 43633539697333 |