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) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | 35 |
| 3 | 216 |
| 4 | 748 |
| 5 | 1925 |
| 6 | 4131 |
| 7 | 7840 |
| 8 | 13616 |
| 9 | 22113 |
| 10 | 34075 |
| 11 | 50336 |
| 12 | 71820 |
| 13 | 99541 |
| 14 | 134603 |
| 15 | 178200 |
| 16 | 231616 |
| 17 | 296225 |
| 18 | 373491 |
| 19 | 464968 |
| 20 | 572300 |
| 21 | 697221 |
| 22 | 841555 |
| 23 | 1007216 |
| 24 | 1196208 |
| 25 | 1410625 |
| 26 | 1652651 |
| 27 | 1924560 |
| 28 | 2228716 |
| 29 | 2567573 |
| 30 | 2943675 |
| 31 | 3359656 |
| 32 | 3818240 |
| 33 | 4322241 |
| 34 | 4874563 |