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 | 14 |
| 4 | 73 |
| 5 | 301 |
| 6 | 890 |
| 7 | 2321 |
| 8 | 5166 |
| 9 | 10654 |
| 10 | 20055 |
| 11 | 35880 |
| 12 | 60511 |
| 13 | 98419 |
| 14 | 153608 |
| 15 | 233331 |
| 16 | 343820 |
| 17 | 496076 |
| 18 | 699261 |
| 19 | 969234 |
| 20 | 1318885 |
| 21 | 1770185 |
| 22 | 2340646 |
| 23 | 3059749 |
| 24 | 3950618 |
| 25 | 5051786 |
| 26 | 6393075 |
| 27 | 8023756 |
| 28 | 9981531 |
| 29 | 12328239 |
| 30 | 15110740 |
| 31 | 18405415 |
| 32 | 22269656 |
| 33 | 26796504 |
| 34 | 32055353 |
| 35 | 38158166 |