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 | 36 |
| 2 | 156 |
| 3 | 306 |
| 4 | 546 |
| 5 | 576 |
| 6 | 606 |
| 7 | 726 |
| 8 | 1236 |
| 9 | 1296 |
| 10 | 1626 |
| 11 | 1656 |
| 12 | 2616 |
| 13 | 2706 |
| 14 | 3036 |
| 15 | 3186 |
| 16 | 3606 |
| 17 | 3696 |
| 18 | 4566 |
| 19 | 5166 |
| 20 | 5556 |
| 21 | 6216 |
| 22 | 6966 |
| 23 | 7296 |
| 24 | 7536 |
| 25 | 7866 |
| 26 | 8286 |
| 27 | 9156 |
| 28 | 10176 |
| 29 | 10266 |
| 30 | 10596 |
| 31 | 11496 |
| 32 | 14406 |
| 33 | 16086 |
| 34 | 16416 |
| 35 | 16746 |
| 36 | 18396 |
| 37 | 18636 |
| 38 | 18786 |
| 39 | 19476 |