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A172911 Number of 2*n X n 0..6 arrays with row sums 7 and column sums 14 1
0, 146, 11455470, 25512834226600, 950699986010003704500, 388015827514187438302900020000, 1252647814330243252910452100864057894337, 24848247984277498423162949237290870891470475838400 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

R. H. Hardin, Table of n, a(n) for n=1..12

CROSSREFS

Sequence in context: A166219 A097728 A172877 * A172933 A145212 A195239

Adjacent sequences:  A172908 A172909 A172910 * A172912 A172913 A172914

KEYWORD

nonn

AUTHOR

R. H. Hardin Feb 06 2010

STATUS

approved

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Last modified August 18 18:19 EDT 2018. Contains 313834 sequences. (Running on oeis4.)