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A010374
as a simple table
n
a(n)
1
1
2
2
3
5
4
12
5
29
6
72
7
182
8
464
9
1190
10
3070
11
7958
12
20706
[1,2,5,12,29,72,182,464,1190,3070,7958,20706]
