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 | 0 |
| 3 | 28 |
| 4 | 152 |
| 5 | 488 |
| 6 | 1192 |
| 7 | 2468 |
| 8 | 4560 |
| 9 | 7760 |
| 10 | 12400 |
| 11 | 18860 |
| 12 | 27560 |
| 13 | 38968 |
| 14 | 53592 |
| 15 | 71988 |
| 16 | 94752 |
| 17 | 122528 |
| 18 | 156000 |
| 19 | 195900 |
| 20 | 243000 |
| 21 | 298120 |
| 22 | 362120 |
| 23 | 435908 |
| 24 | 520432 |
| 25 | 616688 |
| 26 | 725712 |
| 27 | 848588 |
| 28 | 986440 |
| 29 | 1140440 |
| 30 | 1311800 |
| 31 | 1501780 |
| 32 | 1711680 |
| 33 | 1942848 |
| 34 | 2196672 |