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 | 24 |
| 2 | 550 |
| 3 | 4044 |
| 4 | 17716 |
| 5 | 56080 |
| 6 | 150166 |
| 7 | 336776 |
| 8 | 702408 |
| 9 | 1330728 |
| 10 | 2385910 |
| 11 | 3973400 |
| 12 | 6550700 |
| 13 | 10068336 |
| 14 | 15247986 |
| 15 | 22545648 |
| 16 | 32579360 |
| 17 | 45246528 |
| 18 | 62983046 |
| 19 | 84524916 |
| 20 | 113900920 |
| 21 | 150370548 |
| 22 | 195521534 |
| 23 | 249456396 |
| 24 | 321513812 |
| 25 | 404142192 |
| 26 | 504603526 |