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 | 14 |
| 2 | 85 |
| 3 | 344 |
| 4 | 1086 |
| 5 | 2892 |
| 6 | 6798 |
| 7 | 14520 |
| 8 | 28743 |
| 9 | 53482 |
| 10 | 94523 |
| 11 | 159952 |
| 12 | 260780 |
| 13 | 411672 |
| 14 | 631788 |
| 15 | 945744 |
| 16 | 1384701 |
| 17 | 1987590 |
| 18 | 2802481 |
| 19 | 3888104 |
| 20 | 5315530 |
| 21 | 7170020 |
| 22 | 9553050 |
| 23 | 12584520 |
| 24 | 16405155 |
| 25 | 21179106 |
| 26 | 27096759 |