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 | 1 |
| 1 | 8 |
| 2 | 35 |
| 3 | 140 |
| 4 | 120 |
| 5 | 370 |
| 6 | 1407 |
| 7 | 2960 |
| 8 | 4480 |
| 9 | 1765 |
| 10 | 6000 |
| 11 | 4104 |
| 12 | 18688 |
| 13 | 43065 |
| 14 | 37680 |
| 15 | 64470 |