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 | 6 |
| 2 | 41 |
| 3 | 316 |
| 4 | 2721 |
| 5 | 25946 |
| 6 | 271801 |
| 7 | 3105936 |
| 8 | 38474561 |
| 9 | 513796366 |
| 10 | 7360674441 |
| 11 | 112632827396 |
| 12 | 1833790646881 |
| 13 | 31656637715106 |
| 14 | 577636838177561 |
| 15 | 11109543835539736 |
| 16 | 224635867973671041 |
| 17 | 4764236394052127126 |