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A019028 as a simple table

n a(n)
2 2
3 6
4 33
5 203
6 1050
7 6300
8 39142
9 255212
10 1698526
11 11430659
12 78113783
13 540745743
14 3778368007
15 26622561517
16 188999975971

[2,6,33,203,1050,6300,39142,255212,1698526,
 11430659,78113783,540745743,3778368007,
 26622561517,188999975971]

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Last modified July 1 06:17 EDT 2022. Contains 354952 sequences. (Running on oeis4.)