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 | 900 |
| 2 | 4900 |
| 3 | 10404 |
| 4 | 79524 |
| 5 | 81796 |
| 6 | 417316 |
| 7 | 532900 |
| 8 | 846400 |
| 9 | 1542564 |
| 10 | 2464900 |
| 11 | 3232804 |
| 12 | 3334276 |
| 13 | 3496900 |
| 14 | 12432676 |
| 15 | 43850884 |
| 16 | 50836900 |
| 17 | 51811204 |
| 18 | 71470116 |
| 19 | 107453956 |
| 20 | 236975236 |
| 21 | 253892356 |
| 22 | 432889636 |
| 23 | 544102276 |
| 24 | 864948100 |
| 25 | 1192597156 |
| 26 | 1450543396 |