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A117782
as a simple table
n
a(n)
1
3
2
1
3
6
4
0
5
21
6
0
7
95
8
0
9
445
10
0
11
2181
12
0
13
11496
14
0
15
59723
16
0
17
315949
18
0
19
1718494
20
0
21
9403664
22
0
[3,1,6,0,21,0,95,0,445,0,2181,0,11496,0,59723,0, 315949,0,1718494,0,9403664,0]