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 | 69070 |
| 4 | 475628535 |
| 5 | 3277404108 |
| 6 | 772999773 |
| 7 | 3877832058 |
| 8 | 3821835443 |
| 9 | 1662200408 |
| 10 | 2044158073 |
| 11 | 3788989926 |
| 12 | 797919023 |
| 13 | 2743624612 |
| 14 | 1156259413 |
| 15 | 1059494674 |
| 16 | 584849259 |
| 17 | 786050992 |
| 18 | 3369345009 |
| 19 | 3077427454 |
| 20 | 1200308583 |
| 21 | 2654771836 |
| 22 | 1692139853 |
| 23 | 4052415402 |
| 24 | 1850655011 |