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 | 1 |
| 2 | 399 |
| 3 | 872 |
| 4 | 1214 |
| 5 | 2090 |
| 6 | 5200 |
| 7 | 5588 |
| 8 | 21208 |
| 9 | 29152 |
| 10 | 638049 |
| 11 | 1627676 |
| 12 | 151732410 |
| 13 | 274845607 |
| 14 | 3224070252 |
| 15 | 54892040166 |
| 16 | 69020111756 |
| 17 | 175288968221 |