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 | 5 |
| 7 | 6 |
| 8 | 7 |
| 9 | 8 |
| 10 | 9 |
| 11 | 11 |
| 12 | 353 |
| 13 | 626 |
| 14 | 787 |
| 15 | 979 |
| 16 | 1991 |
| 17 | 3003 |
| 18 | 39593 |
| 19 | 41514 |
| 20 | 90209 |
| 21 | 94049 |
| 22 | 96369 |
| 23 | 98689 |
| 24 | 333333 |
| 25 | 512215 |
| 26 | 666666 |
| 27 | 749947 |
| 28 | 845548 |
| 29 | 1612161 |
| 30 | 2485842 |
| 31 | 5614165 |
| 32 | 6487846 |
| 33 | 9616169 |
| 34 | 67433476 |
| 35 | 90999909 |
| 36 | 94355349 |
| 37 | 94544549 |
| 38 | 119919911 |