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 | 19 |
| 2 | 1279 |
| 3 | 5839 |
| 4 | 32359 |
| 5 | 75979 |
| 6 | 88789 |
| 7 | 113149 |
| 8 | 138559 |
| 9 | 229759 |
| 10 | 246919 |
| 11 | 357649 |
| 12 | 433249 |
| 13 | 460969 |
| 14 | 590119 |
| 15 | 595939 |
| 16 | 839599 |
| 17 | 855709 |
| 18 | 1257229 |
| 19 | 1266259 |
| 20 | 1287739 |
| 21 | 1652869 |
| 22 | 1749259 |
| 23 | 1880929 |
| 24 | 2428879 |
| 25 | 2580649 |
| 26 | 2882479 |
| 27 | 3245569 |
| 28 | 3300949 |
| 29 | 3753349 |
| 30 | 3809149 |
| 31 | 3939769 |