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A243558
as a simple table
n
a(n)
1
1
2
1
3
2
4
6
5
9
6
25
7
76
8
302
9
1360
10
7606
11
49313
12
368568
13
3046968
[1,1,2,6,9,25,76,302,1360,7606,49313,368568, 3046968]
