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 | 32 |
| 3 | 184 |
| 4 | 320 |
| 5 | 1696 |
| 6 | 2008 |
| 7 | 5332 |
| 8 | 15304 |
| 9 | 18208 |
| 10 | 19144 |
| 11 | 26240 |
| 12 | 55360 |
| 13 | 137776 |
| 14 | 164008 |
| 15 | 146488 |
| 16 | 172720 |
| 17 | 175528 |
| 18 | 433012 |
| 19 | 520372 |
| 20 | 1240024 |
| 21 | 1476208 |
| 22 | 1554904 |
| 23 | 1502344 |
| 24 | 1581040 |
| 25 | 1589464 |
| 26 | 3975844 |
| 27 | 4487680 |
| 28 | 4749760 |
| 29 | 11160256 |
| 30 | 13286008 |