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A003179
as a simple table
n
a(n)
0
1
1
1
2
1
3
1
4
2
5
2
6
3
7
4
8
7
9
9
10
16
11
25
12
55
13
103
14
261
15
731
16
3295
17
24147
18
519492
[1,1,1,1,2,2,3,4,7,9,16,25,55,103,261,731,3295, 24147,519492]