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A327227 as a simple table

n a(n)
0 0
1 0
2 1
3 3
4 31
5 515
6 15381
7 834491
8 83016613
9 15330074139
10 5324658838645
11 3522941267488973
12 4489497643961740521
13 11119309286377621015089
14 53893949089393110881259181
15 513788884660608277842596504415
16 9669175277199248753133328740702449

[0,0,1,3,31,515,15381,834491,83016613,15330074139,
 5324658838645,3522941267488973,
 4489497643961740521,11119309286377621015089,
 53893949089393110881259181,
 513788884660608277842596504415,
 9669175277199248753133328740702449]

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Last modified March 6 20:37 EST 2021. Contains 341850 sequences. (Running on oeis4.)