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 | 78 |
| 3 | 620 |
| 4 | 2394 |
| 5 | 14630 |
| 6 | 28548 |
| 7 | 83504 |
| 8 | 130302 |
| 9 | 279818 |
| 10 | 707252 |
| 11 | 923490 |
| 12 | 1874124 |
| 13 | 2825720 |
| 14 | 3418758 |
| 15 | 4879634 |
| 16 | 7890428 |
| 17 | 12117302 |
| 18 | 13845780 |
| 19 | 20151054 |
| 20 | 25411610 |
| 21 | 28398168 |
| 22 | 38950002 |
| 23 | 47458238 |
| 24 | 62742152 |
| 25 | 88529184 |
| 26 | 104060300 |
| 27 | 112550778 |