n | a(n) |
---|---|
1 | 8 |
2 | 16 |
3 | 72 |
4 | 212 |
5 | 786 |
6 | 2594 |
7 | 9110 |
8 | 31062 |
9 | 107510 |
10 | 369596 |
11 | 1274760 |
12 | 4390640 |
13 | 15132044 |
14 | 52139518 |
15 | 179669784 |
16 | 619118588 |
17 | 2133406676 |
18 | 7351495186 |
19 | 25332356634 |
20 | 87292564824 |
21 | 300799972600 |
22 | 1036523262982 |
23 | 3571740490936 |
24 | 12307815695422 |
[8,16,72,212,786,2594,9110,31062,107510,369596, 1274760,4390640,15132044,52139518,179669784, 619118588,2133406676,7351495186,25332356634, 87292564824,300799972600,1036523262982, 3571740490936,12307815695422] |