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A052129
a(n) = if n>0 then n*a(n-1)^2 else 1.
+0
12
1, 1, 2, 12, 576, 1658880, 16511297126400, 1908360529573854283038720000, 29134719286683212541013468732221146917416153907200000000
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Maintained by
N. J. A. Sloane
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njas@research.att.com
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Last modified November 27 14:50 EST 2009. Contains 167570 sequences.
AT&T Labs Research
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