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 | 84 |
| 4 | 120 |
| 5 | 1180 |
| 6 | 1450 |
| 7 | 10180 |
| 8 | 12784 |
| 9 | 100180 |
| 10 | 101180 |
| 11 | 114500 |
| 12 | 139204 |
| 13 | 1100180 |
| 14 | 10000180 |
| 15 | 10010180 |
| 16 | 10111180 |
| 17 | 11000180 |
| 18 | 85937220 |
| 19 | 101011180 |
| 20 | 101101180 |
| 21 | 101110180 |
| 22 | 101111180 |
| 23 | 110000180 |
| 24 | 111001180 |
| 25 | 111100180 |
| 26 | 111101180 |
| 27 | 111110180 |