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 | 4 |
| 2 | 64 |
| 3 | 376 |
| 4 | 1188 |
| 5 | 1468 |
| 6 | 25804 |
| 7 | 58588 |
| 8 | 134944 |
| 9 | 137344 |
| 10 | 170584 |
| 11 | 272608 |
| 12 | 285388 |
| 13 | 420208 |
| 14 | 538732 |
| 15 | 592408 |
| 16 | 618448 |
| 17 | 680704 |
| 18 | 778804 |
| 19 | 1163064 |
| 20 | 1520440 |
| 21 | 1700944 |
| 22 | 2099200 |
| 23 | 2831008 |
| 24 | 4020028 |
| 25 | 4174168 |
| 26 | 4516108 |
| 27 | 5059888 |
| 28 | 5215768 |
| 29 | 5447272 |