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Search: id:A067667
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A067667 a(n)=(2^n)!/2^(2^n-1). +0
1
1, 3, 315, 638512875, 122529844256906551386796875, 13757108753595648665519665029568345104465749222289382342659100341796875 (list; graph; listen)
OFFSET

1,2
CROSSREFS

Sequence in context: A134215 A034994 A139541 this_sequence A080976 A160070 A112895

Adjacent sequences: A067664 A067665 A067666 this_sequence A067668 A067669 A067670

KEYWORD

nonn

AUTHOR

Benoit Cloitre (benoit7848c(AT)orange.fr), Feb 04 2002

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Last modified November 25 13:42 EST 2009. Contains 167481 sequences.

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