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A172653 Number of 2*n X n 0..2 arrays with row sums 4 and column sums 8 1
0, 1, 2385, 115321795, 31237467004800, 35265186498828525525, 134169254007831527780970675, 1469515974755674798685294756444250, 41035736539141994695629689682970685292000 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

LINKS

R. H. Hardin, Table of n, a(n) for n=1..24

CROSSREFS

Sequence in context: A254562 A186867 A210078 * A172677 A172772 A172841

Adjacent sequences:  A172650 A172651 A172652 * A172654 A172655 A172656

KEYWORD

nonn

AUTHOR

R. H. Hardin Feb 06 2010

STATUS

approved

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Last modified May 25 23:54 EDT 2019. Contains 323576 sequences. (Running on oeis4.)