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Search: id:A066972
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A066972 Duplicate of A067819. +0
1
3, 12, 42, 144, 728, 2688, 10080, 39312, 127008, 423360, 2419200, 6773760, 32140800 (list; graph; listen)
OFFSET

1,1

CROSSREFS

Sequence in context: A135264 A084529 A017941 this_sequence A067819 A094970 A065179

Adjacent sequences: A066969 A066970 A066971 this_sequence A066973 A066974 A066975

KEYWORD

dead

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Last modified November 29 12:46 EST 2009. Contains 167659 sequences.


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