A172551 Number of 2*n X n 0..1 arrays with row sums 8 and column sums 16

0, 0, 0, 0, 0, 0, 0, 1, 12504636144000, 2532230252503738514963235000, 691778216746194304091147388331566881040000, 358920655858354115406831875940612514848040679965214568750

Offset

1,9

Links

R. H. Hardin, Table of n, a(n) for n=1..14

Crossrefs

Sequence in context: A095429 A261151 A103575 * A172615 A172719 A226954

Adjacent sequences: A172548 A172549 A172550 * A172552 A172553 A172554

Keyword

nonn

Author

R. H. Hardin Feb 06 2010

Status

approved