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 | 11 |
| 2 | 91 |
| 3 | 406 |
| 4 | 1316 |
| 5 | 3486 |
| 6 | 8022 |
| 7 | 16632 |
| 8 | 31812 |
| 9 | 57057 |
| 10 | 97097 |
| 11 | 158158 |
| 12 | 248248 |
| 13 | 377468 |
| 14 | 558348 |
| 15 | 806208 |
| 16 | 1139544 |
| 17 | 1580439 |
| 18 | 2154999 |
| 19 | 2893814 |
| 20 | 3832444 |
| 21 | 5011930 |
| 22 | 6479330 |
| 23 | 8288280 |
| 24 | 10499580 |
| 25 | 13181805 |
| 26 | 16411941 |
| 27 | 20276046 |
| 28 | 24869936 |
| 29 | 30299896 |
| 30 | 36683416 |
| 31 | 44149952 |
| 32 | 52841712 |