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 | 0 |
| 2 | 1 |
| 3 | 2 |
| 4 | 3 |
| 5 | 4 |
| 6 | 697 |
| 7 | 704 |
| 8 | 705 |
| 9 | 764 |
| 10 | 765 |
| 11 | 1469 |
| 12 | 1470 |
| 13 | 1477 |
| 14 | 1537 |
| 15 | 2242 |
| 16 | 2309 |
| 17 | 2310 |
| 18 | 2377 |
| 19 | 3074 |
| 20 | 3082 |
| 21 | 590567 |
| 22 | 591229 |
| 23 | 595982 |
| 24 | 2361731 |
| 25 | 6900704 |
| 26 | 7111031 |
| 27 | 11808655 |
| 28 | 34503520 |
| 29 | 35555155 |
| 30 | 65205900 |
| 31 | 70204260 |
| 32 | 70854060 |