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A182659
as a simple table
n
a(n)
0
0
1
2
2
3
3
1
4
5
5
6
6
7
7
8
8
9
9
4
10
11
11
12
12
13
13
14
14
15
15
16
16
17
17
18
18
19
19
20
20
21
21
10
22
22
[0,2,3,1,5,6,7,8,9,4,11,12,13,14,15,16,17,18,19, 20,21,10,22]