n | a(n) |
---|---|
1 | 1 |
2 | 0 |
3 | 0 |
4 | 2 |
5 | 5 |
6 | 19 |
7 | 132 |
8 | 1579 |
9 | 33366 |
10 | 1343120 |
11 | 105723785 |
12 | 15968704512 |
13 | 4520384306832 |
14 | 2402302590759788 |
15 | 2425409960013204929 |
16 | 4647586298937784001491 |
17 | 16787189663016572148130262 |
18 | 114715448859703502223876433517 |
[1,0,0,2,5,19,132,1579,33366,1343120,105723785, 15968704512,4520384306832,2402302590759788, 2425409960013204929,4647586298937784001491, 16787189663016572148130262, 114715448859703502223876433517] |