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) |
|---|---|
| 0 | 30 |
| 1 | 308 |
| 2 | 586 |
| 3 | 864 |
| 4 | 1141 |
| 5 | 1419 |
| 6 | 1697 |
| 7 | 19727 |
| 8 | 222752 |
| 9 | 2275278 |
| 10 | 2527803 |
| 11 | 2780328 |
| 12 | 3032853 |
| 13 | 3285379 |
| 14 | 3537904 |
| 15 | 3790429 |
| 16 | 4042954 |
| 17 | 4295480 |
| 18 | 4548005 |
| 19 | 4800530 |
| 20 | 5053055 |
| 21 | 5305581 |
| 22 | 5558106 |
| 23 | 5810631 |
| 24 | 6063156 |
| 25 | 6315682 |
| 26 | 6568207 |
| 27 | 6820732 |