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 | 1482 |
| 2 | 13040 |
| 3 | 111578 |
| 4 | 642272 |
| 5 | 3811097 |
| 6 | 16895850 |
| 7 | 76619720 |
| 8 | 282617310 |
| 9 | 1055589853 |
| 10 | 3391174364 |
| 11 | 10959843386 |
| 12 | 31616413858 |
| 13 | 91424070381 |
| 14 | 242081380402 |
| 15 | 641447591664 |
| 16 | 1585247839144 |
| 17 | 3918142616865 |
| 18 | 9157651318884 |
| 19 | 21407414058747 |