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A194607
as a simple table
n
a(n)
1
0
2
1
3
2
4
4
5
5
6
6
7
11
8
17
9
20
10
28
11
70
12
99
13
150
14
726
15
7431
16
22394
17
85461
18
191207
[0,1,2,4,5,6,11,17,20,28,70,99,150,726,7431,22394, 85461,191207]