n | a(n) |
---|---|
0 | 5 |
1 | 17 |
2 | 58 |
3 | 198 |
4 | 676 |
5 | 2308 |
6 | 7880 |
7 | 26904 |
8 | 91856 |
9 | 313616 |
10 | 1070752 |
11 | 3655776 |
12 | 12481600 |
13 | 42614848 |
14 | 145496192 |
15 | 496755072 |
16 | 1696027904 |
17 | 5790601472 |
18 | 19770350080 |
19 | 67500197376 |
20 | 230460089344 |
21 | 786839962624 |
22 | 2686439671808 |
23 | 9172078761984 |
24 | 31315435704320 |
25 | 106917585293312 |
[5,17,58,198,676,2308,7880,26904,91856,313616, 1070752,3655776,12481600,42614848,145496192, 496755072,1696027904,5790601472,19770350080, 67500197376,230460089344,786839962624, 2686439671808,9172078761984,31315435704320, 106917585293312] |