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) |
|---|---|
| 7 | 1 |
| 8 | 6 |
| 9 | 31 |
| 10 | 99 |
| 11 | 278 |
| 12 | 654 |
| 13 | 1390 |
| 14 | 2714 |
| 15 | 4927 |
| 16 | 8531 |
| 17 | 13963 |
| 18 | 22134 |
| 19 | 33767 |
| 20 | 50283 |
| 21 | 72470 |
| 22 | 102891 |
| 23 | 142375 |
| 24 | 194202 |
| 25 | 260093 |
| 26 | 343973 |
| 27 | 447906 |
| 28 | 577636 |
| 29 | 735540 |
| 30 | 928009 |
| 31 | 1159312 |
| 32 | 1436145 |
| 33 | 1765079 |
| 34 | 2152787 |
| 35 | 2608321 |
| 36 | 3137866 |
| 37 | 3755214 |
| 38 | 4464420 |
| 39 | 5284570 |
| 40 | 6216275 |
| 41 | 7287298 |
| 42 | 8494233 |