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A172874 Number of 2*n X n 0..5 arrays with row sums 6 and column sums 12 1
0, 85, 2931721, 1972609390276, 15850794059115529500, 1038651765223403011577901181, 415055613581699421523189700844639043, 808114910894339803643339208801511167291450040 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

R. H. Hardin, Table of n, a(n) for n=1..15

CROSSREFS

Sequence in context: A068749 A172826 A196886 * A316558 A172909 A214375

Adjacent sequences:  A172871 A172872 A172873 * A172875 A172876 A172877

KEYWORD

nonn

AUTHOR

R. H. Hardin Feb 06 2010

STATUS

approved

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Last modified June 28 18:26 EDT 2022. Contains 354907 sequences. (Running on oeis4.)