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 | 42 |
| 2 | 626 |
| 3 | 3816 |
| 4 | 15036 |
| 5 | 45590 |
| 6 | 115902 |
| 7 | 259476 |
| 8 | 527576 |
| 9 | 994626 |
| 10 | 1764330 |
| 11 | 2976512 |
| 12 | 4814676 |
| 13 | 7514286 |
| 14 | 11371766 |
| 15 | 16754220 |
| 16 | 24109872 |
| 17 | 33979226 |
| 18 | 47006946 |
| 19 | 63954456 |
| 20 | 85713260 |
| 21 | 113318982 |
| 22 | 147966126 |
| 23 | 191023556 |
| 24 | 244050696 |
| 25 | 308814450 |
| 26 | 387306842 |