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 | 826 |
| 4 | 3641 |
| 5 | 20568 |
| 6 | 120276 |
| 7 | 737575 |
| 8 | 4570122 |
| 9 | 28555126 |
| 10 | 178852957 |
| 11 | 1121957980 |
| 12 | 7041891730 |
| 13 | 44211129243 |
| 14 | 277603005560 |
| 15 | 1743182466528 |
| 16 | 10946427636013 |
| 17 | 68739662962482 |
| 18 | 431662923010836 |
| 19 | 2710711178183705 |