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A172824 Number of 2*n X n 0..4 arrays with row sums 6 and column sums 12 1
0, 19, 805231, 744168838420, 7608443835495995100, 594239211348093910990313341, 269741028364409749133570268559118335, 576542290820108436100865963035873493286055960 (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: A347813 A177818 A269446 * A070632 A234039 A099114

Adjacent sequences: A172821 A172822 A172823 * A172825 A172826 A172827

KEYWORD

nonn

AUTHOR

R. H. Hardin Feb 06 2010

STATUS

approved

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Last modified January 29 00:02 EST 2023. Contains 359905 sequences. (Running on oeis4.)