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) |
|---|---|
| 9 | 1 |
| 10 | 18 |
| 11 | 101 |
| 12 | 357 |
| 13 | 978 |
| 14 | 2274 |
| 15 | 4711 |
| 16 | 8954 |
| 17 | 15915 |
| 18 | 26806 |
| 19 | 43197 |
| 20 | 67079 |
| 21 | 100932 |
| 22 | 147798 |
| 23 | 211359 |
| 24 | 296020 |
| 25 | 406997 |
| 26 | 550410 |
| 27 | 733381 |
| 28 | 964137 |
| 29 | 1252118 |
| 30 | 1608090 |
| 31 | 2044263 |
| 32 | 2574414 |
| 33 | 3214015 |
| 34 | 3980366 |
| 35 | 4892733 |
| 36 | 5972491 |
| 37 | 7243272 |
| 38 | 8731118 |
| 39 | 10464639 |