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 | 30 |
| 2 | 156 |
| 3 | 618 |
| 4 | 660 |
| 5 | 1626 |
| 6 | 2550 |
| 7 | 4230 |
| 8 | 4356 |
| 9 | 4566 |
| 10 | 5658 |
| 11 | 6120 |
| 12 | 6708 |
| 13 | 7506 |
| 14 | 11496 |
| 15 | 15318 |
| 16 | 16746 |
| 17 | 18048 |
| 18 | 19140 |
| 19 | 19476 |
| 20 | 19686 |
| 21 | 20610 |
| 22 | 21030 |
| 23 | 22920 |
| 24 | 23130 |
| 25 | 24096 |
| 26 | 25188 |
| 27 | 26406 |
| 28 | 27918 |
| 29 | 29346 |
| 30 | 29598 |
| 31 | 29640 |
| 32 | 32748 |
| 33 | 33966 |
| 34 | 35058 |
| 35 | 39678 |
| 36 | 41610 |