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 | 1 |
| 1 | 0 |
| 2 | 57 |
| 3 | 352 |
| 4 | 1185 |
| 5 | 2976 |
| 6 | 6265 |
| 7 | 11712 |
| 8 | 20097 |
| 9 | 32320 |
| 10 | 49401 |
| 11 | 72480 |
| 12 | 102817 |
| 13 | 141792 |
| 14 | 190905 |
| 15 | 251776 |
| 16 | 326145 |
| 17 | 415872 |
| 18 | 522937 |
| 19 | 649440 |
| 20 | 797601 |
| 21 | 969760 |
| 22 | 1168377 |
| 23 | 1396032 |
| 24 | 1655425 |
| 25 | 1949376 |
| 26 | 2280825 |
| 27 | 2652832 |
| 28 | 3068577 |
| 29 | 3531360 |
| 30 | 4044601 |
| 31 | 4611840 |
| 32 | 5236737 |
| 33 | 5923072 |