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 | 1 |
| 2 | 31 |
| 3 | 32 |
| 4 | 991 |
| 5 | 1023 |
| 6 | 31681 |
| 7 | 32704 |
| 8 | 1012801 |
| 9 | 1045505 |
| 10 | 32377951 |
| 11 | 33423456 |
| 12 | 1035081631 |
| 13 | 1068505087 |
| 14 | 33090234241 |
| 15 | 34158739328 |
| 16 | 1057852414081 |
| 17 | 1092011153409 |
| 18 | 33818187016351 |
| 19 | 34910198169760 |