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A098694 Double-superfactorials: Prod[k=1..n, (2k)! ]. +0
3
2, 48, 34560, 1393459200, 5056584744960000, 2422112183371431936000000, 211155601241022491077587763200000000, 4417964278440225627098723475313498521600000000000 (list; graph; listen)
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Last modified December 7 08:40 EST 2009. Contains 170430 sequences.

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