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 | 7 |
| 4 | 14 |
| 5 | 42 |
| 6 | 42 |
| 7 | 462 |
| 8 | 66 |
| 9 | 429 |
| 10 | 1001 |
| 11 | 1001 |
| 12 | 364 |
| 13 | 6188 |
| 14 | 1428 |
| 15 | 3876 |
| 16 | 3876 |
| 17 | 6783 |
| 18 | 4389 |
| 19 | 33649 |
| 20 | 3542 |
| 21 | 17710 |
| 22 | 32890 |
| 23 | 26910 |
| 24 | 8190 |
| 25 | 118755 |
| 26 | 23751 |
| 27 | 56637 |
| 28 | 50344 |
| 29 | 79112 |
| 30 | 46376 |
| 31 | 324632 |
| 32 | 31416 |
| 33 | 145299 |
| 34 | 250971 |
| 35 | 191919 |
| 36 | 54834 |
| 37 | 749398 |
| 38 | 141778 |
| 39 | 320866 |
| 40 | 271502 |
| 41 | 407253 |