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 | 0 |
| 4 | 16 |
| 5 | 544 |
| 6 | 2328 |
| 7 | 6172 |
| 8 | 11576 |
| 9 | 18540 |
| 10 | 27064 |
| 11 | 37148 |
| 12 | 48792 |
| 13 | 61996 |
| 14 | 76760 |
| 15 | 93084 |
| 16 | 110968 |
| 17 | 130412 |
| 18 | 151416 |
| 19 | 173980 |
| 20 | 198104 |
| 21 | 223788 |
| 22 | 251032 |
| 23 | 279836 |
| 24 | 310200 |
| 25 | 342124 |
| 26 | 375608 |
| 27 | 410652 |
| 28 | 447256 |
| 29 | 485420 |
| 30 | 525144 |
| 31 | 566428 |
| 32 | 609272 |
| 33 | 653676 |
| 34 | 699640 |
| 35 | 747164 |