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A341536
as a simple table
n
a(n)
0
1
1
2
2
4
3
8
4
16
5
36
6
80
7
194
8
500
9
1342
10
3623
11
9835
12
26412
13
70505
14
187805
15
500627
[1,2,4,8,16,36,80,194,500,1342,3623,9835,26412, 70505,187805,500627]