n | a(n) |
---|---|
0 | 1 |
1 | 4 |
2 | 12 |
3 | 32 |
4 | 88 |
5 | 240 |
6 | 652 |
7 | 1744 |
8 | 4616 |
9 | 12208 |
10 | 32328 |
11 | 85408 |
12 | 224640 |
13 | 589024 |
14 | 1542944 |
15 | 4039256 |
16 | 10560552 |
17 | 27567488 |
18 | 71878068 |
19 | 187262944 |
20 | 487526944 |
21 | 1268269160 |
22 | 3296832292 |
23 | 8564411120 |
24 | 22235825104 |
25 | 57701041072 |
26 | 149657337872 |
27 | 387978891176 |
28 | 1005378745536 |
29 | 2604222063144 |
30 | 6743181213712 |
31 | 17454178002264 |
[1,4,12,32,88,240,652,1744,4616,12208,32328,85408, 224640,589024,1542944,4039256,10560552,27567488, 71878068,187262944,487526944,1268269160, 3296832292,8564411120,22235825104,57701041072, 149657337872,387978891176,1005378745536, 2604222063144,6743181213712,17454178002264] |