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 | 243 |
| 2 | 4004 |
| 3 | 18672 |
| 4 | 55333 |
| 5 | 132119 |
| 6 | 281271 |
| 7 | 559188 |
| 8 | 1063365 |
| 9 | 1958634 |
| 10 | 3517866 |
| 11 | 6183395 |
| 12 | 10657414 |
| 13 | 18032067 |
| 14 | 29972868 |
| 15 | 48972482 |
| 16 | 78695853 |
| 17 | 124442202 |
| 18 | 193754586 |
| 19 | 297213549 |
| 20 | 449457950 |
| 21 | 670483363 |
| 22 | 987276552 |
| 23 | 1435853472 |
| 24 | 2063778077 |