A172863 Number of n X n 0..5 arrays with row sums 15 and column sums 15.

0, 0, 1, 40176, 22989265901, 83308687622580480, 1590632917730889408984804, 138992936515606925094500549847168, 49028617232539794829106747972829351457296

Offset

1,4

Links

R. H. Hardin, Table of n, a(n) for n=1..10

Crossrefs

Sequence in context: A389952 A236253 A076778 * A159720 A127228 A269126

Adjacent sequences: A172860 A172861 A172862 * A172864 A172865 A172866

Keyword

nonn

Author

R. H. Hardin, Feb 06 2010

Status

approved