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 | 1 |
| 2 | 2 |
| 3 | 6 |
| 4 | 22 |
| 5 | 84 |
| 6 | 350 |
| 7 | 525 |
| 8 | 1150 |
| 9 | 1652 |
| 10 | 2366 |
| 11 | 2996 |
| 12 | 6677 |
| 13 | 8140 |
| 14 | 8371 |
| 15 | 9084 |
| 16 | 11510 |
| 17 | 11825 |
| 18 | 27885 |
| 19 | 30694 |
| 20 | 43000 |
| 21 | 44988 |
| 22 | 45060 |
| 23 | 49585 |
| 24 | 172250 |
| 25 | 207194 |
| 26 | 312312 |
| 27 | 335634 |
| 28 | 364084 |
| 29 | 568575 |
| 30 | 887250 |
| 31 | 1183000 |
| 32 | 1588956 |
| 33 | 1799240 |
| 34 | 1829256 |
| 35 | 1913975 |
| 36 | 2455350 |
| 37 | 3523800 |
| 38 | 3678454 |