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 | 1 |
| 2 | 6 |
| 3 | 244 |
| 4 | 285 |
| 5 | 944 |
| 6 | 1242 |
| 7 | 3738 |
| 8 | 22644 |
| 9 | 37686 |
| 10 | 58950 |
| 11 | 85512 |
| 12 | 124944 |
| 13 | 130410 |
| 14 | 133857 |
| 15 | 235644 |
| 16 | 3202101 |
| 17 | 5367582 |
| 18 | 5663697 |
| 19 | 45165231 |
| 20 | 141635817 |
| 21 | 214939686 |
| 22 | 736140702 |
| 23 | 2395863144 |
| 24 | 4992033177 |
| 25 | 28406362140 |
| 26 | 30364415451 |