n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 3 |
3 | 19 |
4 | 160 |
5 | 1744 |
6 | 23184 |
7 | 364176 |
8 | 6598656 |
9 | 135484416 |
10 | 3108695040 |
11 | 78831037440 |
12 | 2189265960960 |
13 | 66083318415360 |
14 | 2154235544616960 |
15 | 75425161203302400 |
16 | 2822882994841190400 |
17 | 112463980097804697600 |
[0,1,3,19,160,1744,23184,364176,6598656,135484416, 3108695040,78831037440,2189265960960, 66083318415360,2154235544616960,75425161203302400, 2822882994841190400,112463980097804697600] |