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A005298
as a simple table
n
a(n)
2
2
3
2
4
7
5
11
6
25
7
38
8
78
9
122
10
219
11
344
12
579
13
894
14
1446
15
2198
[2,2,7,11,25,38,78,122,219,344,579,894,1446,2198]