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A033187 n!!/n!. +0
1
1, 1, 1, 120, 25852016738884976640000 (list; graph; listen)
OFFSET

0,4

COMMENT

The next two terms have 197 and 1744 decimal digits, respectively.

LINKS

Index entries for sequences related to factorial numbers

CROSSREFS

Sequence in context: A115463 A003922 A045509 this_sequence A106547 A106544 A079842

Adjacent sequences: A033184 A033185 A033186 this_sequence A033188 A033189 A033190

KEYWORD

nonn,easy

AUTHOR

Ken Alverson (KenA(AT)tso.cin.ix.ne)

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Last modified November 25 14:49 EST 2009. Contains 167514 sequences.


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