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A172826 Number of 2*n X n 0..4 arrays with row sums 4 and column sums 8 1
1, 85, 210960, 5796870115, 1020771217185075, 816961921232733507825, 2344764719918663269508531250, 20294029043417487085670761524956250, 464104041410086779771666773956560859328250 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

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

CROSSREFS

Sequence in context: A131750 A239269 A068749 * A196886 A172874 A316558

Adjacent sequences:  A172823 A172824 A172825 * A172827 A172828 A172829

KEYWORD

nonn

AUTHOR

R. H. Hardin Feb 06 2010

STATUS

approved

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Last modified September 21 07:28 EDT 2021. Contains 347596 sequences. (Running on oeis4.)