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 | 149 |
| 3 | 509 |
| 4 | 8429 |
| 5 | 13469 |
| 6 | 28229 |
| 7 | 154589 |
| 8 | 207509 |
| 9 | 230189 |
| 10 | 340709 |
| 11 | 711509 |
| 12 | 759029 |
| 13 | 897629 |
| 14 | 930749 |
| 15 | 1127309 |
| 16 | 1142069 |
| 17 | 1255829 |
| 18 | 1399469 |
| 19 | 1585589 |
| 20 | 2633909 |
| 21 | 2724629 |
| 22 | 2863589 |
| 23 | 3583949 |
| 24 | 4892189 |
| 25 | 5282789 |
| 26 | 6108989 |
| 27 | 7517669 |
| 28 | 8039309 |
| 29 | 8296709 |
| 30 | 8906189 |
| 31 | 10524389 |