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A172939
Number of n X n 0..8 arrays with row sums 15 and column sums 15
1
0, 2, 1462, 33427744, 7500881437251, 12504843842710113540, 124430557151683165279097411, 6218376942668389682021820614125312, 1354372742296729064606689624633970992039248
OFFSET
1,2
LINKS
CROSSREFS
Sequence in context: A160087 A170993 A259323 * A374193 A172234 A339543
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 06 2010
STATUS
approved