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A259466
as a simple table
n
a(n)
0
0
1
2
2
3
3
4
4
5
5
7
6
11
7
13
8
21
9
39
10
41
11
43
12
115
13
173
14
311
[0,2,3,4,5,7,11,13,21,39,41,43,115,173,311]
