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 | 0 |
| 2 | 1 |
| 3 | 2 |
| 4 | 3 |
| 5 | 5 |
| 6 | 10 |
| 7 | 255 |
| 8 | 273 |
| 9 | 373 |
| 10 | 546 |
| 11 | 2550 |
| 12 | 2730 |
| 13 | 2910 |
| 14 | 16319 |
| 15 | 23205 |
| 16 | 54215 |
| 17 | 1181729 |
| 18 | 1898445 |
| 19 | 2576758 |
| 20 | 3027758 |
| 21 | 3080174 |
| 22 | 4210945 |
| 23 | 9971750 |
| 24 | 163490790 |
| 25 | 2299011170 |
| 26 | 6852736153 |
| 27 | 6899910553 |
| 28 | 160142137430 |
| 29 | 174913133450 |
| 30 | 204283593150 |
| 31 | 902465909895 |
| 32 | 1014966912315 |
| 33 | 2292918574418 |
| 34 | 9295288254930 |
| 35 | 11356994802010 |
| 36 | 11372760382810 |
| 37 | 38244097345762 |