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A319489 as a simple table

n a(n)
1 0
2 0
3 1
4 5
5 20
6 109
7 788
8 8335
9 117282
10 2026330
11 40302424
12 892278075

[0,0,1,5,20,109,788,8335,117282,2026330,40302424,
 892278075]

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Last modified November 19 22:34 EST 2019. Contains 329323 sequences. (Running on oeis4.)