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 | 2 |
| 2 | 3 |
| 3 | 59 |
| 4 | 71 |
| 5 | 1151 |
| 6 | 2399 |
| 7 | 7559 |
| 8 | 42839 |
| 9 | 110879 |
| 10 | 181439 |
| 11 | 241919 |
| 12 | 262079 |
| 13 | 453599 |
| 14 | 665279 |
| 15 | 1713599 |
| 16 | 2827439 |
| 17 | 6425999 |
| 18 | 11309759 |
| 19 | 12700799 |
| 20 | 14137199 |
| 21 | 16707599 |
| 22 | 37837799 |
| 23 | 45239039 |
| 24 | 64864799 |
| 25 | 82162079 |
| 26 | 86486399 |
| 27 | 93562559 |
| 28 | 260124479 |
| 29 | 410810399 |
| 30 | 735134399 |
| 31 | 950019839 |