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A248719
as a simple table
n
a(n)
1
0
2
1
3
2
4
5
5
6
6
18
7
43
8
52
9
106
10
383
11
417
12
663
13
849
14
971
[0,1,2,5,6,18,43,52,106,383,417,663,849,971]
