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 | 3 |
| 3 | 13 |
| 4 | 31 |
| 5 | 49 |
| 6 | 68 |
| 7 | 216 |
| 8 | 227 |
| 9 | 288 |
| 10 | 339 |
| 11 | 408 |
| 12 | 421 |
| 13 | 797 |
| 14 | 1176 |
| 15 | 1494 |
| 16 | 1947 |
| 17 | 3876 |
| 18 | 6453 |
| 19 | 12108 |
| 20 | 12558 |
| 21 | 13272 |
| 22 | 24027 |
| 23 | 80667 |
| 24 | 92472 |
| 25 | 98154 |
| 26 | 186543 |
| 27 | 765351 |
| 28 | 2294838 |
| 29 | 6815886 |
| 30 | 11105034 |
| 31 | 12608001 |
| 32 | 13669797 |
| 33 | 25343472 |
| 34 | 25485726 |
| 35 | 40937853 |
| 36 | 48562668 |
| 37 | 72974013 |
| 38 | 122175969 |