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) |
|---|---|
| 0 | 0 |
| 1 | 3 |
| 2 | 36 |
| 3 | 99 |
| 4 | 192 |
| 5 | 315 |
| 6 | 468 |
| 7 | 651 |
| 8 | 864 |
| 9 | 1107 |
| 10 | 1380 |
| 11 | 1683 |
| 12 | 2016 |
| 13 | 2379 |
| 14 | 2772 |
| 15 | 3195 |
| 16 | 3648 |
| 17 | 4131 |
| 18 | 4644 |
| 19 | 5187 |
| 20 | 5760 |
| 21 | 6363 |
| 22 | 6996 |
| 23 | 7659 |
| 24 | 8352 |
| 25 | 9075 |
| 26 | 9828 |
| 27 | 10611 |
| 28 | 11424 |
| 29 | 12267 |
| 30 | 13140 |
| 31 | 14043 |
| 32 | 14976 |
| 33 | 15939 |
| 34 | 16932 |
| 35 | 17955 |
| 36 | 19008 |
| 37 | 20091 |
| 38 | 21204 |