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 | 6 |
| 3 | 12 |
| 4 | 20 |
| 5 | 55 |
| 6 | 42 |
| 7 | 56 |
| 8 | 72 |
| 9 | 144 |
| 10 | 110 |
| 11 | 253 |
| 12 | 156 |
| 13 | 351 |
| 14 | 336 |
| 15 | 240 |
| 16 | 272 |
| 17 | 1751 |
| 18 | 342 |
| 19 | 3420 |
| 20 | 500 |
| 21 | 672 |
| 22 | 506 |
| 23 | 1081 |
| 24 | 600 |
| 25 | 2525 |
| 26 | 702 |
| 27 | 1512 |
| 28 | 812 |
| 29 | 1711 |
| 30 | 930 |
| 31 | 992 |
| 32 | 1440 |