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 | 0 |
| 1 | 29 |
| 2 | 478 |
| 3 | 4287 |
| 4 | 24476 |
| 5 | 101785 |
| 6 | 337434 |
| 7 | 946043 |
| 8 | 2333752 |
| 9 | 5206581 |
| 10 | 10714070 |
| 11 | 20633239 |
| 12 | 37597908 |
| 13 | 65378417 |
| 14 | 109216786 |
| 15 | 176222355 |
| 16 | 275832944 |
| 17 | 420346573 |
| 18 | 625528782 |
| 19 | 911300591 |
| 20 | 1302512140 |
| 21 | 1829807049 |
| 22 | 2530582538 |
| 23 | 3450050347 |
| 24 | 4642403496 |
| 25 | 6172093925 |
| 26 | 8115226054 |