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 | 10 |
| 2 | 12 |
| 3 | 107 |
| 4 | 125 |
| 5 | 132 |
| 6 | 389 |
| 7 | 1332 |
| 8 | 3892 |
| 9 | 10572 |
| 10 | 10749 |
| 11 | 13250 |
| 12 | 13332 |
| 13 | 105714 |
| 14 | 133332 |
| 15 | 1255050 |
| 16 | 1333332 |
| 17 | 4208987 |
| 18 | 13333332 |
| 19 | 107497707 |
| 20 | 133333332 |
| 21 | 1054396107 |
| 22 | 1333333332 |
| 23 | 10843226972 |
| 24 | 13333333332 |
| 25 | 133333333332 |