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A162134 Number of nXn 0..2 arrays with rows and columns, considered as 3-ary numbers, in strictly increasing order +0
1
3, 20, 836, 201620, 281496540, 2380096698130, 128314914063822802, 46152578104448335601514, 114857924445009628731733814896 (list; graph; listen)
OFFSET

1,1

CROSSREFS

Sequence in context: A138897 A089943 A108699 this_sequence A002857 A024011 A052445

Adjacent sequences: A162131 A162132 A162133 this_sequence A162135 A162136 A162137

KEYWORD

nonn

AUTHOR

Ron Hardin (rhhardin(AT)att.net) Jun 25 2009

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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