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A007330 as a simple table

n a(n)
1 0
2 0
3 0
4 0
5 0
6 70
7 490
8 2632
9 11606
10 46375
11 173362
12 618086
13 2123709
14 7086864
15 23085942
16 73761644
17 232002909
18 720819622

[0,0,0,0,0,70,490,2632,11606,46375,173362,618086,
 2123709,7086864,23085942,73761644,232002909,
 720819622]

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Last modified March 30 09:22 EDT 2020. Contains 333125 sequences. (Running on oeis4.)