n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 4 |
3 | 12 |
4 | 32 |
5 | 120 |
6 | 288 |
7 | 1512 |
8 | 4096 |
9 | 15552 |
10 | 48000 |
11 | 240064 |
12 | 552960 |
13 | 3439800 |
14 | 9483264 |
15 | 35640000 |
16 | 134217728 |
17 | 673699800 |
18 | 1451188224 |
19 | 9644765256 |
20 | 23685120000 |
21 | 115605729792 |
22 | 401556013056 |
23 | 1996264531840 |
24 | 4566087106560 |
25 | 26244000000000 |
26 | 89961392102400 |
27 | 356237685227520 |
[1,2,4,12,32,120,288,1512,4096,15552,48000,240064, 552960,3439800,9483264,35640000,134217728, 673699800,1451188224,9644765256,23685120000, 115605729792,401556013056,1996264531840, 4566087106560,26244000000000,89961392102400, 356237685227520] |