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A095094
as a simple table
n
a(n)
1
1
2
2
3
2
4
2
5
3
6
4
7
7
8
10
9
16
10
30
11
51
12
88
13
153
14
277
15
509
16
905
17
1660
18
3079
19
5535
20
10234
21
19053
[1,2,2,2,3,4,7,10,16,30,51,88,153,277,509,905, 1660,3079,5535,10234,19053]