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 | 71 |
| 3 | 269 |
| 4 | 379 |
| 5 | 683 |
| 6 | 883 |
| 7 | 4663 |
| 8 | 6949 |
| 9 | 9883 |
| 10 | 12239 |
| 11 | 16433 |
| 12 | 21491 |
| 13 | 45631 |
| 14 | 66403 |
| 15 | 92683 |
| 16 | 125119 |
| 17 | 186733 |
| 18 | 211051 |
| 19 | 228383 |
| 20 | 256121 |
| 21 | 286019 |
| 22 | 296479 |
| 23 | 352619 |
| 24 | 389483 |
| 25 | 562589 |
| 26 | 578971 |
| 27 | 683983 |
| 28 | 721619 |
| 29 | 842759 |
| 30 | 930619 |
| 31 | 1150183 |
| 32 | 1230391 |
| 33 | 1372211 |