n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 1 |
3 | 1 |
4 | 3 |
5 | 11 |
6 | 53 |
7 | 103 |
8 | 2119 |
9 | 16687 |
10 | 16481 |
11 | 1468457 |
12 | 16019531 |
13 | 63633137 |
14 | 2467007773 |
15 | 34361893981 |
16 | 15549624751 |
17 | 8178130767479 |
18 | 138547156531409 |
19 | 92079694567171 |
20 | 4282366656425369 |
21 | 72289643288657479 |
22 | 6563440628747948887 |
23 | 39299278806015611311 |
[1,0,1,1,3,11,53,103,2119,16687,16481,1468457, 16019531,63633137,2467007773,34361893981, 15549624751,8178130767479,138547156531409, 92079694567171,4282366656425369,72289643288657479, 6563440628747948887,39299278806015611311] |