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) |
|---|---|
| 1 | 1 |
| 2 | 14 |
| 3 | 183 |
| 4 | 2380 |
| 5 | 30941 |
| 6 | 402234 |
| 7 | 5229043 |
| 8 | 67977560 |
| 9 | 883708281 |
| 10 | 11488207654 |
| 11 | 149346699503 |
| 12 | 1941507093540 |
| 13 | 25239592216021 |
| 14 | 328114698808274 |
| 15 | 4265491084507563 |
| 16 | 55451384098598320 |
| 17 | 720867993281778161 |