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 | 2 |
| 2 | 0 |
| 3 | 2 |
| 4 | 8 |
| 5 | 2 |
| 6 | 24 |
| 7 | 16 |
| 8 | 48 |
| 9 | 92 |
| 10 | 100 |
| 11 | 310 |
| 12 | 344 |
| 13 | 808 |
| 14 | 1344 |
| 15 | 2102 |
| 16 | 4480 |
| 17 | 6462 |
| 18 | 13092 |
| 19 | 21662 |
| 20 | 37488 |
| 21 | 69904 |
| 22 | 113652 |
| 23 | 212844 |
| 24 | 359856 |
| 25 | 636402 |
| 26 | 1134068 |
| 27 | 1937072 |
| 28 | 3493120 |
| 29 | 6012746 |
| 30 | 10639264 |
| 31 | 18706394 |
| 32 | 32550976 |
| 33 | 57727738 |
| 34 | 100407848 |
| 35 | 177116816 |
| 36 | 310493720 |
| 37 | 543717148 |