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) |
|---|---|
| 3 | 5 |
| 4 | 93 |
| 5 | 1030 |
| 6 | 420 |
| 7 | 8885 |
| 8 | 14065 |
| 9 | 65954 |
| 10 | 256116 |
| 11 | 66066 |
| 12 | 442610 |
| 13 | 3392843 |
| 14 | 3288327 |
| 15 | 2762412 |
| 16 | 36703824 |
| 17 | 85421118 |
| 18 | 17454580 |
| 19 | 16322085 |
| 20 | 344468530 |
| 21 | 1558792200 |
| 22 | 1171704435 |
| 23 | 92400330 |
| 24 | 2908358552 |
| 25 | 22555934280 |
| 26 | 40121261136 |
| 27 | 7034538511 |
| 28 | 505403910 |
| 29 | 22620890127 |
| 30 | 276221817810 |
| 31 | 945068384880 |
| 32 | 600398249550 |