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 | 3 |
| 4 | 10 |
| 5 | 12 |
| 6 | 32 |
| 7 | 54 |
| 8 | 268 |
| 9 | 288 |
| 10 | 656 |
| 11 | 1044 |
| 12 | 4360 |
| 13 | 5472 |
| 14 | 15632 |
| 15 | 26424 |
| 16 | 195472 |
| 17 | 200832 |
| 18 | 423104 |
| 19 | 650736 |
| 20 | 2404960 |
| 21 | 2950272 |
| 22 | 8146112 |
| 23 | 13758624 |
| 24 | 85524160 |
| 25 | 93450240 |