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A162134 Number of n X n 0..2 arrays with rows and columns, considered as 3-ary numbers, in strictly increasing order 0
3, 20, 836, 201620, 281496540, 2380096698130, 128314914063822802, 46152578104448335601514, 114857924445009628731733814896 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..9.

CROSSREFS

Sequence in context: A300917 A089943 A108699 * A296408 A002857 A203314

Adjacent sequences:  A162131 A162132 A162133 * A162135 A162136 A162137

KEYWORD

nonn

AUTHOR

R. H. Hardin Jun 25 2009

STATUS

approved

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Last modified October 16 15:31 EDT 2019. Contains 328101 sequences. (Running on oeis4.)