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 | 56 |
| 5 | 456 |
| 6 | 1588 |
| 7 | 3288 |
| 8 | 5556 |
| 9 | 8392 |
| 10 | 11796 |
| 11 | 15768 |
| 12 | 20308 |
| 13 | 25416 |
| 14 | 31092 |
| 15 | 37336 |
| 16 | 44148 |
| 17 | 51528 |
| 18 | 59476 |
| 19 | 67992 |
| 20 | 77076 |
| 21 | 86728 |
| 22 | 96948 |
| 23 | 107736 |
| 24 | 119092 |
| 25 | 131016 |
| 26 | 143508 |
| 27 | 156568 |
| 28 | 170196 |
| 29 | 184392 |
| 30 | 199156 |
| 31 | 214488 |
| 32 | 230388 |
| 33 | 246856 |
| 34 | 263892 |
| 35 | 281496 |
| 36 | 299668 |