n | a(n) |
---|---|
1 | 1 |
2 | 4 |
3 | 24 |
4 | 256 |
5 | 3840 |
6 | 73024 |
7 | 1688064 |
8 | 45991936 |
9 | 1443102720 |
10 | 51249316864 |
11 | 2032187080704 |
12 | 89000317321216 |
13 | 4266655914393600 |
14 | 222232483747938304 |
15 | 12496860570760249344 |
16 | 754582425618372100096 |
17 | 48694058763984285204480 |
18 | 3344368871374116303929344 |
19 | 243577066332044464943529984 |
20 | 18751361596512920229250072576 |
[1,4,24,256,3840,73024,1688064,45991936, 1443102720,51249316864,2032187080704, 89000317321216,4266655914393600, 222232483747938304,12496860570760249344, 754582425618372100096,48694058763984285204480, 3344368871374116303929344, 243577066332044464943529984, 18751361596512920229250072576] |