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 | 3 |
| 2 | 5 |
| 3 | 59 |
| 4 | 269 |
| 5 | 1949 |
| 6 | 2999 |
| 7 | 6359 |
| 8 | 11489 |
| 9 | 11549 |
| 10 | 14549 |
| 11 | 18539 |
| 12 | 19889 |
| 13 | 21839 |
| 14 | 31079 |
| 15 | 32909 |
| 16 | 32969 |
| 17 | 33329 |
| 18 | 33599 |
| 19 | 42569 |
| 20 | 42839 |
| 21 | 50459 |
| 22 | 53549 |
| 23 | 58109 |
| 24 | 68879 |
| 25 | 70199 |
| 26 | 74609 |
| 27 | 79229 |
| 28 | 80909 |
| 29 | 93809 |
| 30 | 96329 |
| 31 | 98909 |
| 32 | 104309 |
| 33 | 109139 |
| 34 | 114599 |
| 35 | 121019 |
| 36 | 125789 |