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 | 156 |
| 2 | 656 |
| 3 | 756 |
| 4 | 776 |
| 5 | 780 |
| 6 | 782 |
| 7 | 783 |
| 8 | 784 |
| 9 | 786 |
| 10 | 791 |
| 11 | 796 |
| 12 | 806 |
| 13 | 831 |
| 14 | 856 |
| 15 | 906 |
| 16 | 1031 |
| 17 | 1156 |
| 18 | 1406 |
| 19 | 2031 |
| 20 | 2656 |
| 21 | 3156 |
| 22 | 3256 |
| 23 | 3276 |
| 24 | 3280 |
| 25 | 3282 |
| 26 | 3283 |
| 27 | 3284 |
| 28 | 3286 |
| 29 | 3291 |
| 30 | 3296 |
| 31 | 3306 |
| 32 | 3331 |
| 33 | 3356 |
| 34 | 3406 |
| 35 | 3531 |
| 36 | 3656 |
| 37 | 3756 |
| 38 | 3776 |
| 39 | 3780 |