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) |
|---|---|
| 0 | 0 |
| 1 | 0 |
| 2 | 0 |
| 3 | 1 |
| 4 | 8 |
| 5 | 29 |
| 6 | 72 |
| 7 | 146 |
| 8 | 261 |
| 9 | 428 |
| 10 | 659 |
| 11 | 967 |
| 12 | 1366 |
| 13 | 1871 |
| 14 | 2498 |
| 15 | 3264 |
| 16 | 4187 |
| 17 | 5286 |
| 18 | 6581 |
| 19 | 8093 |
| 20 | 9844 |
| 21 | 11857 |
| 22 | 14156 |
| 23 | 16766 |
| 24 | 19713 |
| 25 | 23024 |
| 26 | 26727 |
| 27 | 30851 |
| 28 | 35426 |
| 29 | 40483 |
| 30 | 46054 |
| 31 | 52172 |
| 32 | 58871 |
| 33 | 66186 |
| 34 | 74153 |
| 35 | 82809 |
| 36 | 92192 |
| 37 | 102341 |
| 38 | 113296 |
| 39 | 125098 |
| 40 | 137789 |
| 41 | 151412 |