A172756 Number of 2*n X n 0..3 arrays with row sums 8 and column sums 16

0, 0, 90, 3017084995, 2023900513877358900, 14162844503221350778432935135, 806909026546240414032388715894620684395, 300748551220458753215613602117054376767307058363395

Offset

1,3

Links

R. H. Hardin, Table of n, a(n) for n=1..11

Crossrefs

Sequence in context: A172650 A353038 A252093 * A306304 A175690 A368433

Adjacent sequences: A172753 A172754 A172755 * A172757 A172758 A172759

Keyword

nonn

Author

R. H. Hardin Feb 06 2010

Status

approved