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 | 0 |
| 2 | 1 |
| 3 | 5 |
| 4 | 11 |
| 5 | 35 |
| 6 | 36 |
| 7 | 126 |
| 8 | 130 |
| 9 | 264 |
| 10 | 260 |
| 11 | 715 |
| 12 | 406 |
| 13 | 1365 |
| 14 | 952 |
| 15 | 1530 |
| 16 | 1716 |
| 17 | 3876 |
| 18 | 1830 |
| 19 | 5985 |
| 20 | 3300 |
| 21 | 5796 |
| 22 | 5500 |
| 23 | 12650 |
| 24 | 5460 |
| 25 | 15075 |
| 26 | 10556 |
| 27 | 16965 |
| 28 | 12810 |
| 29 | 31465 |
| 30 | 9920 |
| 31 | 40920 |
| 32 | 24616 |
| 33 | 34650 |
| 34 | 30192 |
| 35 | 49210 |
| 36 | 26106 |
| 37 | 82251 |
| 38 | 46740 |
| 39 | 67158 |
| 40 | 47320 |