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 | 50 |
| 2 | 684 |
| 3 | 5029 |
| 4 | 25410 |
| 5 | 99634 |
| 6 | 325120 |
| 7 | 922768 |
| 8 | 2346883 |
| 9 | 5462600 |
| 10 | 11818092 |
| 11 | 24045385 |
| 12 | 46430852 |
| 13 | 85704412 |
| 14 | 152105120 |
| 15 | 260790200 |
| 16 | 433664645 |
| 17 | 701719286 |
| 18 | 1107976716 |
| 19 | 1711156645 |
| 20 | 2590185158 |
| 21 | 3849685950 |
| 22 | 5626605920 |
| 23 | 8098142520 |
| 24 | 11491155975 |