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 | 108649 |
| 2 | 140869 |
| 3 | 168409 |
| 4 | 184609 |
| 5 | 904861 |
| 6 | 906481 |
| 7 | 946801 |
| 8 | 968041 |
| 9 | 1016489 |
| 10 | 1041869 |
| 11 | 1048609 |
| 12 | 1061849 |
| 13 | 1064689 |
| 14 | 1068409 |
| 15 | 1068491 |
| 16 | 1084469 |
| 17 | 1084609 |
| 18 | 1086469 |
| 19 | 1089461 |
| 20 | 1098469 |
| 21 | 1108469 |
| 22 | 1146809 |
| 23 | 1184069 |
| 24 | 1406689 |
| 25 | 1406849 |
| 26 | 1408619 |
| 27 | 1408699 |
| 28 | 1460089 |
| 29 | 1460189 |
| 30 | 1460981 |