n | a(n) |
---|---|
0 | 1 |
1 | 4 |
2 | 48 |
3 | 224 |
4 | 960 |
5 | 3968 |
6 | 16128 |
7 | 65024 |
8 | 261120 |
9 | 1046528 |
10 | 4190208 |
11 | 16769024 |
12 | 67092480 |
13 | 268402688 |
14 | 1073676288 |
15 | 4294836224 |
[1,4,48,224,960,3968,16128,65024,261120,1046528, 4190208,16769024,67092480,268402688,1073676288, 4294836224] |