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A036506 formatted as a simple table:

n a(n)
1 0
2 0
3 0
4 1
5 1
6 15
7 455
8 20230
9 1166886
10 82031250
11 6768679170
12 639276644655
13 67876292150095
14 7992910154350121
15 1032869077119140625
16 145221924661653841820
17 22060305511905816000860
18 3599313659344525384083060
19 627583654087024080928783956

[0,0,0,1,1,15,455,20230,1166886,82031250,
 6768679170,639276644655,67876292150095,
 7992910154350121,1032869077119140625,
 145221924661653841820,22060305511905816000860,
 3599313659344525384083060,
 627583654087024080928783956]

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Last modified November 30 13:13 EST 2009. Contains 167758 sequences.


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