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 | 4 |
| 2 | 20 |
| 3 | 68 |
| 4 | 175 |
| 5 | 392 |
| 6 | 786 |
| 7 | 1440 |
| 8 | 2475 |
| 9 | 4036 |
| 10 | 6292 |
| 11 | 9464 |
| 12 | 13805 |
| 13 | 19600 |
| 14 | 27200 |
| 15 | 36996 |
| 16 | 49419 |
| 17 | 64980 |
| 18 | 84238 |
| 19 | 107800 |
| 20 | 136367 |
| 21 | 170696 |
| 22 | 211600 |
| 23 | 260000 |
| 24 | 316881 |
| 25 | 383292 |
| 26 | 460404 |
| 27 | 549460 |
| 28 | 651775 |
| 29 | 768800 |
| 30 | 902066 |
| 31 | 1053184 |
| 32 | 1223915 |
| 33 | 1416108 |
| 34 | 1631700 |
| 35 | 1872792 |
| 36 | 2141581 |