n | a(n) |
---|---|
0 | 1 |
1 | 7 |
2 | 54 |
3 | 448 |
4 | 3896 |
5 | 34832 |
6 | 316224 |
7 | 2894528 |
8 | 26609536 |
9 | 245174272 |
10 | 2261620224 |
11 | 20875015168 |
12 | 192738922496 |
13 | 1779844247552 |
14 | 16437306875904 |
15 | 151809149370368 |
16 | 1402086588645376 |
17 | 12949609668739072 |
18 | 119602725461950464 |
19 | 1104655331042787328 |
20 | 10202654714273202176 |
[1,7,54,448,3896,34832,316224,2894528,26609536, 245174272,2261620224,20875015168,192738922496, 1779844247552,16437306875904,151809149370368, 1402086588645376,12949609668739072, 119602725461950464,1104655331042787328, 10202654714273202176] |