A172575 Number of 4*n X n 0..1 arrays with row sums 3 and column sums 12

0, 0, 1, 63063000, 149144498504001000, 2834492178580299130305958000, 337799058758556439723480176591336120000, 203269774721184658406475682049947158681837795504000

Offset

1,4

Links

R. H. Hardin, Table of n, a(n) for n=1..16

Crossrefs

Sequence in context: A017539 A227150 A186140 * A172583 A172683 A172777

Adjacent sequences: A172572 A172573 A172574 * A172576 A172577 A172578

Keyword

nonn

Author

R. H. Hardin Feb 06 2010

Status

approved