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 | 8 |
| 4 | 48 |
| 5 | 140 |
| 6 | 244 |
| 7 | 620 |
| 8 | 705 |
| 9 | 1395 |
| 10 | 6210 |
| 11 | 9656 |
| 12 | 14322 |
| 13 | 52024 |
| 14 | 88128 |
| 15 | 95589 |
| 16 | 119440 |
| 17 | 151130 |
| 18 | 325105 |
| 19 | 407128 |
| 20 | 472790 |
| 21 | 520971 |
| 22 | 686103 |
| 23 | 4456608 |
| 24 | 7066416 |
| 25 | 13207389 |
| 26 | 15488160 |
| 27 | 23381160 |
| 28 | 42317212 |
| 29 | 49496700 |
| 30 | 53564016 |
| 31 | 128163495 |
| 32 | 165750096 |
| 33 | 387900480 |
| 34 | 421730960 |
| 35 | 485880806 |