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 | 96 |
| 3 | 1104 |
| 4 | 3984 |
| 5 | 9612 |
| 6 | 18888 |
| 7 | 32712 |
| 8 | 51984 |
| 9 | 77604 |
| 10 | 110472 |
| 11 | 151488 |
| 12 | 201552 |
| 13 | 261564 |
| 14 | 332424 |
| 15 | 415032 |
| 16 | 510288 |
| 17 | 619092 |
| 18 | 742344 |
| 19 | 880944 |
| 20 | 1035792 |
| 21 | 1207788 |
| 22 | 1397832 |
| 23 | 1606824 |
| 24 | 1835664 |
| 25 | 2085252 |
| 26 | 2356488 |
| 27 | 2650272 |
| 28 | 2967504 |
| 29 | 3309084 |
| 30 | 3675912 |
| 31 | 4068888 |