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A122738 as a simple table

n a(n)
3 0
4 1
5 4
6 23
7 103
8 477
9 2132
10 9647
11 43549
12 197757
13 901162
14 4125636
15 18962997

[0,1,4,23,103,477,2132,9647,43549,197757,901162,
 4125636,18962997]

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Last modified November 27 20:49 EST 2021. Contains 349395 sequences. (Running on oeis4.)