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 | 512 |
| 3 | 9842 |
| 4 | 131328 |
| 5 | 488282 |
| 6 | 5039104 |
| 7 | 6725602 |
| 8 | 33620224 |
| 9 | 64576643 |
| 10 | 250000384 |
| 11 | 235794770 |
| 12 | 1292530176 |
| 13 | 883708282 |
| 14 | 3443508224 |
| 15 | 4805671444 |
| 16 | 8606777600 |
| 17 | 7411742282 |
| 18 | 33063241216 |
| 19 | 17927094322 |
| 20 | 64125098496 |
| 21 | 66193374884 |
| 22 | 120726922240 |
| 23 | 81870575522 |
| 24 | 330890244608 |