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 | 14 |
| 2 | 196 |
| 3 | 618 |
| 4 | 1711 |
| 5 | 7016 |
| 6 | 24512 |
| 7 | 106503 |
| 8 | 411848 |
| 9 | 1787438 |
| 10 | 7238503 |
| 11 | 31139116 |
| 12 | 128898716 |
| 13 | 550671103 |
| 14 | 2303973916 |
| 15 | 9799872866 |
| 16 | 41220045503 |
| 17 | 174880633792 |
| 18 | 737543803528 |
| 19 | 3124620453847 |
| 20 | 13195708252672 |
| 21 | 55859776281926 |