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A172798
Number of 7*n X 7 0..3 arrays with row sums 4 and column sums 4*n
1
887226868605, 1771064195990555279483745075, 7745310191767932461627415566004172302489000, 47307220244039925184729002585595148532177882871899513973875
OFFSET
1,1
LINKS
CROSSREFS
Sequence in context: A172616 A233487 A297354 * A186017 A015433 A234195
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 06 2010
STATUS
approved