n | a(n) |
---|---|
0 | 1 |
1 | 4 |
2 | 40 |
3 | 602 |
4 | 11384 |
5 | 253698 |
6 | 6495616 |
7 | 187940402 |
8 | 6055160152 |
9 | 214444348674 |
10 | 8261055193008 |
11 | 343357357970866 |
12 | 15298169514407880 |
13 | 726752780487465922 |
14 | 36642712015230282784 |
15 | 1952976182776961017138 |
[1,4,40,602,11384,253698,6495616,187940402, 6055160152,214444348674,8261055193008, 343357357970866,15298169514407880, 726752780487465922,36642712015230282784, 1952976182776961017138] |