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 | 1 |
| 3 | 1 |
| 4 | 1 |
| 5 | 1 |
| 6 | 1 |
| 7 | 1 |
| 8 | 1 |
| 9 | 1 |
| 10 | 1 |
| 11 | 1 |
| 12 | 1 |
| 13 | 1 |
| 14 | 1 |
| 15 | 1 |
| 16 | 7 |
| 17 | 13 |
| 18 | 27 |
| 19 | 45 |
| 20 | 212 |
| 21 | 388 |
| 22 | 735 |
| 23 | 3422 |
| 24 | 3913 |
| 25 | 11095 |
| 26 | 18232 |
| 27 | 20624 |
| 28 | 54745 |
| 29 | 426826 |
| 30 | 617936 |
| 31 | 3424833 |
| 32 | 3494454 |
| 33 | 3664162 |
| 34 | 5238283 |
| 35 | 5650352 |
| 36 | 17373150 |
| 37 | 168850488 |
| 38 | 716822623 |
| 39 | 729646247 |
| 40 | 1226034011 |
| 41 | 3976121167 |