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 | 357 |
| 2 | 408 |
| 3 | 476 |
| 4 | 493 |
| 5 | 561 |
| 6 | 629 |
| 7 | 748 |
| 8 | 952 |
| 9 | 969 |
| 10 | 1037 |
| 11 | 1173 |
| 12 | 1241 |
| 13 | 1309 |
| 14 | 1496 |
| 15 | 1513 |
| 16 | 1564 |
| 17 | 1581 |
| 18 | 1649 |
| 19 | 1717 |
| 20 | 1853 |
| 21 | 1921 |