n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 3 |
3 | 16 |
4 | 71 |
5 | 345 |
6 | 1624 |
7 | 17121 |
8 | 71577 |
9 | 345342 |
10 | 1624171 |
11 | 17121011 |
12 | 71577060 |
13 | 345342131 |
14 | 1624173733 |
15 | 17331156576 |
16 | 71473314601 |
17 | 345325637555 |
18 | 3624144315044 |
19 | 16333160460471 |
20 | 71272765314407 |
[0,1,3,16,71,345,1624,17121,71577,345342,1624171, 17121011,71577060,345342131,1624173733, 17331156576,71473314601,345325637555, 3624144315044,16333160460471,71272765314407] |