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 | 1 |
| 2 | 997 |
| 3 | 994009 |
| 4 | 1026973 |
| 5 | 3892081 |
| 6 | 404757 |
| 7 | 3542729 |
| 8 | 2100813 |
| 9 | 4510561 |
| 10 | 7029317 |
| 11 | 8229049 |
| 12 | 4361853 |
| 13 | 8767441 |
| 14 | 1138677 |
| 15 | 5260969 |
| 16 | 5186093 |
| 17 | 534721 |
| 18 | 3116837 |
| 19 | 7486489 |
| 20 | 4029533 |
| 21 | 7444401 |
| 22 | 2067797 |
| 23 | 1593609 |
| 24 | 8828173 |
| 25 | 1688481 |
| 26 | 3415557 |
| 27 | 5310329 |
| 28 | 4398013 |
| 29 | 4818961 |
| 30 | 4504117 |