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 | 2 |
| 2 | 24 |
| 3 | 240 |
| 4 | 264 |
| 5 | 480 |
| 6 | 504 |
| 7 | 552 |
| 8 | 1128 |
| 9 | 1416 |
| 10 | 1992 |
| 11 | 2568 |
| 12 | 4008 |
| 13 | 4296 |
| 14 | 5448 |
| 15 | 5520 |
| 16 | 5736 |
| 17 | 6312 |
| 18 | 6960 |
| 19 | 8328 |
| 20 | 8616 |
| 21 | 9192 |
| 22 | 10632 |
| 23 | 11208 |
| 24 | 11280 |
| 25 | 11496 |
| 26 | 12072 |
| 27 | 12408 |
| 28 | 12720 |
| 29 | 13200 |
| 30 | 13512 |
| 31 | 13920 |
| 32 | 14088 |
| 33 | 14160 |
| 34 | 15528 |
| 35 | 15576 |
| 36 | 15816 |
| 37 | 16320 |
| 38 | 17256 |
| 39 | 18744 |
| 40 | 19848 |
| 41 | 19920 |
| 42 | 20136 |
| 43 | 20712 |
| 44 | 21288 |
| 45 | 21912 |
| 46 | 22560 |
| 47 | 23592 |