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A272105
as a simple table
n
a(n)
0
1
1
1
2
2
3
4
4
8
5
17
6
41
7
115
8
362
9
1208
10
4112
11
14107
12
49187
13
178049
[1,1,2,4,8,17,41,115,362,1208,4112,14107,49187, 178049]