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A080549
as a simple table
n
a(n)
0
1
1
3
2
9
3
21
4
43
5
61
6
88
7
90
8
96
9
77
10
63
11
34
12
26
13
8
14
5
[1,3,9,21,43,61,88,90,96,77,63,34,26,8,5]