A172826 Number of 2*n X n 0..4 arrays with row sums 4 and column sums 8

1, 85, 210960, 5796870115, 1020771217185075, 816961921232733507825, 2344764719918663269508531250, 20294029043417487085670761524956250, 464104041410086779771666773956560859328250

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