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 | 1 |
| 2 | 2 |
| 3 | 6 |
| 4 | 36 |
| 5 | 156 |
| 6 | 210 |
| 7 | 270 |
| 8 | 306 |
| 9 | 576 |
| 10 | 690 |
| 11 | 936 |
| 12 | 966 |
| 13 | 2136 |
| 14 | 2310 |
| 15 | 2550 |
| 16 | 2706 |
| 17 | 2850 |
| 18 | 3390 |
| 19 | 3966 |
| 20 | 4026 |
| 21 | 4176 |
| 22 | 4260 |
| 23 | 4566 |
| 24 | 4590 |
| 25 | 5226 |
| 26 | 5430 |
| 27 | 5850 |
| 28 | 6120 |
| 29 | 6216 |
| 30 | 6360 |
| 31 | 6420 |
| 32 | 6546 |
| 33 | 7410 |
| 34 | 7536 |
| 35 | 8940 |
| 36 | 9126 |
| 37 | 9240 |
| 38 | 9276 |
| 39 | 9900 |
| 40 | 10530 |
| 41 | 10836 |
| 42 | 11286 |
| 43 | 11586 |
| 44 | 11886 |
| 45 | 12390 |
| 46 | 13680 |