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) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 36 |
| 3 | 576 |
| 4 | 1492 |
| 5 | 4512 |
| 6 | 8110 |
| 7 | 14778 |
| 8 | 18222 |
| 9 | 26416 |
| 10 | 41452 |
| 11 | 51576 |
| 12 | 71740 |
| 13 | 87552 |
| 14 | 96352 |
| 15 | 111372 |
| 16 | 135660 |
| 17 | 167106 |
| 18 | 172152 |
| 19 | 218550 |
| 20 | 238990 |
| 21 | 250252 |
| 22 | 284148 |
| 23 | 317856 |
| 24 | 351706 |
| 25 | 400408 |
| 26 | 441478 |
| 27 | 463398 |
| 28 | 490246 |
| 29 | 505780 |
| 30 | 527280 |
| 31 | 643990 |
| 32 | 679036 |
| 33 | 718182 |