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 | 29 |
| 2 | 239 |
| 3 | 1019 |
| 4 | 3119 |
| 5 | 99989 |
| 6 | 161039 |
| 7 | 759359 |
| 8 | 1048559 |
| 9 | 1419839 |
| 10 | 2476079 |
| 11 | 3199979 |
| 12 | 4084079 |
| 13 | 14348879 |
| 14 | 17210339 |
| 15 | 24299969 |
| 16 | 45435389 |
| 17 | 60466139 |
| 18 | 164916179 |
| 19 | 254803919 |
| 20 | 312499949 |
| 21 | 550731719 |
| 22 | 1934917559 |
| 23 | 2373046799 |
| 24 | 3707398349 |