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 | 2 |
| 3 | 3 |
| 4 | 4 |
| 5 | 6 |
| 6 | 15 |
| 7 | 16 |
| 8 | 20 |
| 9 | 24 |
| 10 | 30 |
| 11 | 185 |
| 12 | 219 |
| 13 | 273 |
| 14 | 285 |
| 15 | 292 |
| 16 | 296 |
| 17 | 304 |
| 18 | 315 |
| 19 | 364 |
| 20 | 370 |
| 21 | 380 |
| 22 | 432 |
| 23 | 438 |
| 24 | 444 |
| 25 | 456 |
| 26 | 468 |
| 27 | 504 |
| 28 | 540 |
| 29 | 546 |
| 30 | 570 |
| 31 | 630 |
| 32 | 3235 |
| 33 | 5176 |
| 34 | 6470 |
| 35 | 7764 |
| 36 | 46843 |
| 37 | 47423 |
| 38 | 47693 |
| 39 | 48053 |
| 40 | 50431 |
| 41 | 52403 |
| 42 | 56231 |
| 43 | 57965 |
| 44 | 59555 |
| 45 | 62855 |
| 46 | 67655 |
| 47 | 67865 |
| 48 | 70735 |
| 49 | 72123 |
| 50 | 72297 |
| 51 | 73473 |