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A109387
as a simple table
n
a(n)
1
1
2
4
3
10
4
52
5
112
6
212
7
346
8
406
9
512
10
13904
11
76610
12
89746
13
114892
[1,4,10,52,112,212,346,406,512,13904,76610,89746, 114892]