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A296468
as a simple table
n
a(n)
1
1
2
4
3
6
4
11
5
17
6
24
7
28
8
32
9
40
10
47
11
57
12
66
13
78
14
90
[1,4,6,11,17,24,28,32,40,47,57,66,78,90]
