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 | 8 |
| 2 | 81 |
| 3 | 1250 |
| 4 | 7203 |
| 5 | 73205 |
| 6 | 171366 |
| 7 | 668168 |
| 8 | 1172889 |
| 9 | 3078251 |
| 10 | 9901934 |
| 11 | 13852815 |
| 12 | 33734898 |
| 13 | 56515220 |
| 14 | 71794821 |
| 15 | 112232663 |
| 16 | 205152506 |
| 17 | 351403469 |
| 18 | 415375230 |
| 19 | 664986993 |
| 20 | 889408835 |
| 21 | 1022336676 |
| 22 | 1519053159 |
| 23 | 1945791161 |
| 24 | 2760658604 |
| 25 | 4249405488 |
| 26 | 5203020050 |
| 27 | 5740094931 |
| 28 | 6947218853 |