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A006115 as a simple table

na(n)
01
11
26
331
4806
520306
62558556
7320327931
8200525284806
9125368356709806
10391901483074853556
111224770494838892134806
1219138263752352528498478556

[1,1,6,31,806,20306,2558556,320327931,
 200525284806,125368356709806,391901483074853556,
 1224770494838892134806,19138263752352528498478556]