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A151993
as a simple table
n
a(n)
1
0
2
0
3
3
4
63
5
410
6
2949
7
21622
8
175504
9
1478015
10
12330087
11
107585476
12
937135794
[0,0,3,63,410,2949,21622,175504,1478015,12330087, 107585476,937135794]
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Last modified September 1 18:06 EDT 2024. Contains 375593 sequences. (Running on oeis4.)