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 | 12 |
| 3 | 61 |
| 4 | 210 |
| 5 | 561 |
| 6 | 1265 |
| 7 | 2532 |
| 8 | 4641 |
| 9 | 7941 |
| 10 | 12868 |
| 11 | 19946 |
| 12 | 29796 |
| 13 | 43144 |
| 14 | 60828 |
| 15 | 83804 |
| 16 | 113155 |
| 17 | 150095 |
| 18 | 195980 |
| 19 | 252310 |
| 20 | 320738 |
| 21 | 403077 |
| 22 | 501308 |
| 23 | 617581 |
| 24 | 754227 |
| 25 | 913762 |
| 26 | 1098894 |
| 27 | 1312530 |
| 28 | 1557780 |
| 29 | 1837964 |
| 30 | 2156622 |
| 31 | 2517514 |
| 32 | 2924630 |
| 33 | 3382196 |