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) |
|---|---|
| 4 | 6 |
| 5 | 36 |
| 6 | 126 |
| 7 | 336 |
| 8 | 756 |
| 9 | 1512 |
| 10 | 2772 |
| 11 | 4752 |
| 12 | 7722 |
| 13 | 12012 |
| 14 | 18018 |
| 15 | 26208 |
| 16 | 37128 |
| 17 | 51408 |
| 18 | 69768 |
| 19 | 93024 |
| 20 | 122094 |
| 21 | 158004 |
| 22 | 201894 |
| 23 | 255024 |
| 24 | 318780 |
| 25 | 394680 |
| 26 | 484380 |
| 27 | 589680 |
| 28 | 712530 |
| 29 | 855036 |
| 30 | 1019466 |
| 31 | 1208256 |
| 32 | 1424016 |
| 33 | 1669536 |
| 34 | 1947792 |
| 35 | 2261952 |
| 36 | 2615382 |
| 37 | 3011652 |
| 38 | 3454542 |