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A162126 Number of nXn binary arrays with rows and columns, considered as graycode numbers, in strictly increasing order, and no more than 9 ones in any row or column 0
2, 4, 25, 408, 18003, 2289232, 851979730, 942937083934, 3167530249345690, 32647456893467395175 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

CROSSREFS

Sequence in context: A162123 A162124 A162125 * A162118 A128774 A186431

Adjacent sequences:  A162123 A162124 A162125 * A162127 A162128 A162129

KEYWORD

nonn

AUTHOR

R. H. Hardin (rhhardin(AT)att.net) Jun 25 2009

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Last modified February 15 10:56 EST 2012. Contains 205763 sequences.