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 | 1 |
| 3 | 6 |
| 4 | 27 |
| 5 | 80 |
| 6 | 207 |
| 7 | 432 |
| 8 | 863 |
| 9 | 1512 |
| 10 | 2646 |
| 11 | 4144 |
| 12 | 6585 |
| 13 | 9504 |
| 14 | 14216 |
| 15 | 19476 |
| 16 | 27783 |
| 17 | 36384 |
| 18 | 49977 |
| 19 | 63504 |
| 20 | 84722 |
| 21 | 104736 |
| 22 | 136188 |
| 23 | 165056 |
| 24 | 210717 |
| 25 | 250560 |
| 26 | 314270 |
| 27 | 367902 |
| 28 | 455544 |
| 29 | 525808 |
| 30 | 642762 |
| 31 | 733968 |
| 32 | 888087 |
| 33 | 1003608 |
| 34 | 1201554 |
| 35 | 1347232 |