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A252200
Number of (n+2)X(7+2) 0..3 arrays with every 3X3 subblock row, column, diagonal and antidiagonal sum not equal to 0 3 5 6 or 7
1
10074, 23265, 206825, 1669356, 13460703, 110131575, 896763106, 7301549086, 59570598688, 485457428350, 3954090473125, 32222610105553, 262627685087281, 2140187356615136, 17439608164244823, 142114394703257807
OFFSET
1,1
COMMENTS
Column 7 of A252201
LINKS
EXAMPLE
Some solutions for n=2
..3..2..3..3..3..3..2..3..3....3..2..3..3..3..2..3..3..3
..2..3..3..3..3..3..3..3..3....3..3..3..2..3..3..3..3..3
..3..3..3..3..3..3..3..3..3....2..3..3..3..3..3..3..3..3
..3..3..3..3..3..3..2..3..3....3..3..3..3..2..3..3..3..3
CROSSREFS
Sequence in context: A023356 A292176 A198484 * A234773 A348698 A203865
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 15 2014
STATUS
approved