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 | 132 |
| 2 | 903 |
| 3 | 3304 |
| 4 | 8925 |
| 5 | 20076 |
| 6 | 39907 |
| 7 | 72528 |
| 8 | 123129 |
| 9 | 198100 |
| 10 | 305151 |
| 11 | 453432 |
| 12 | 653653 |
| 13 | 918204 |
| 14 | 1261275 |
| 15 | 1698976 |
| 16 | 2249457 |
| 17 | 2933028 |
| 18 | 3772279 |
| 19 | 4792200 |
| 20 | 6020301 |
| 21 | 7486732 |
| 22 | 9224403 |
| 23 | 11269104 |
| 24 | 13659625 |
| 25 | 16437876 |
| 26 | 19649007 |
| 27 | 23341528 |
| 28 | 27567429 |