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 | 0 |
| 2 | 1 |
| 3 | 1 |
| 4 | 2 |
| 5 | 1 |
| 6 | 5 |
| 7 | 1 |
| 8 | 10 |
| 9 | 4 |
| 10 | 27 |
| 11 | 1 |
| 12 | 88 |
| 13 | 1 |
| 14 | 247 |
| 15 | 29 |
| 16 | 810 |
| 17 | 1 |
| 18 | 2780 |
| 19 | 1 |
| 20 | 9260 |
| 21 | 249 |
| 22 | 32067 |
| 23 | 1 |
| 24 | 113520 |
| 25 | 26 |
| 26 | 400025 |
| 27 | 2704 |
| 28 | 1432868 |
| 29 | 1 |
| 30 | 5179905 |
| 31 | 1 |
| 32 | 18784170 |
| 33 | 32069 |
| 34 | 68635479 |
| 35 | 271 |
| 36 | 252201136 |
| 37 | 1 |
| 38 | 930138523 |
| 39 | 400027 |
| 40 | 3446168660 |
| 41 | 1 |
| 42 | 12817096533 |
| 43 | 1 |
| 44 | 47820447036 |
| 45 | 5173304 |