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A282619 as a simple table

n a(n)
1 0
2 0
3 2
4 10
5 40
6 212
7 1086
8 6550
9 43978
10 326462
11 2704096
12 24307174
13 240782702
14 2546166908
15 29250772016
16 355838290758
17 4658858733922

[0,0,2,10,40,212,1086,6550,43978,326462,2704096,
 24307174,240782702,2546166908,29250772016,
 355838290758,4658858733922]

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Last modified April 18 22:18 EDT 2024. Contains 371782 sequences. (Running on oeis4.)