n | a(n) |
---|---|
1 | 4 |
2 | 2 |
3 | 8 |
4 | 48 |
5 | 288 |
6 | 1728 |
7 | 10368 |
8 | 62208 |
9 | 373248 |
10 | 2239488 |
11 | 13436928 |
12 | 80621568 |
13 | 483729408 |
14 | 2902376448 |
15 | 17414258688 |
16 | 104485552128 |
17 | 626913312768 |
18 | 3761479876608 |
19 | 22568879259648 |
20 | 135413275557888 |
21 | 812479653347328 |
22 | 4874877920083968 |
23 | 29249267520503808 |
[4,2,8,48,288,1728,10368,62208,373248,2239488, 13436928,80621568,483729408,2902376448, 17414258688,104485552128,626913312768, 3761479876608,22568879259648,135413275557888, 812479653347328,4874877920083968, 29249267520503808] |