n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | 6 |
3 | 42 |
4 | 618 |
5 | 15990 |
6 | 668526 |
7 | 43558242 |
8 | 4373213298 |
9 | 677307561630 |
10 | 162826875512646 |
11 | 61183069270120842 |
12 | 36134310487980825258 |
13 | 33673533885068169649830 |
14 | 49646105434209446798290206 |
15 | 116002075479856331220877149042 |
16 | 430053223599741677879550609246498 |
17 | 2531493110297317758855120762121050990 |
[1,3,6,42,618,15990,668526,43558242,4373213298, 677307561630,162826875512646,61183069270120842, 36134310487980825258,33673533885068169649830, 49646105434209446798290206, 116002075479856331220877149042, 430053223599741677879550609246498, 2531493110297317758855120762121050990] |