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A251786
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Number of (n+2)X(3+2) 0..3 arrays with no row, column, diagonal or antidiagonal in any 3X3 subblock summing to 2 3 6 or 7
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1
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3072, 6470, 16710, 44504, 130202, 362242, 1035154, 3188016, 9369766, 28509654, 91454234, 285327668, 914236522, 3029323780, 9884604370, 32777999406, 110731558818, 371180607532, 1254911990642, 4282512407420, 14558073177158
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OFFSET
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1,1
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COMMENTS
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Column 3 of A251791
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LINKS
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R. H. Hardin, Table of n, a(n) for n = 1..210
R. H. Hardin, Empirical recurrence of order 70
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FORMULA
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Empirical recurrence of order 70 (see link above)
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EXAMPLE
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Some solutions for n=4
..1..1..2..1..1....1..3..0..2..3....3..2..3..3..3....0..2..3..0..2
..3..3..3..3..3....0..2..2..0..2....2..3..3..3..2....0..1..3..0..1
..0..0..0..0..0....3..0..2..3..0....3..3..3..3..3....0..2..3..0..1
..2..1..2..1..1....2..3..0..1..3....3..3..3..3..3....0..1..3..0..2
..3..3..3..3..3....0..2..3..0..1....2..3..3..3..2....0..2..3..0..1
..0..0..0..0..0....3..0..1..3..0....3..3..3..2..3....0..1..3..0..2
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CROSSREFS
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Sequence in context: A224116 A183726 A137485 * A334256 A262459 A205623
Adjacent sequences: A251783 A251784 A251785 * A251787 A251788 A251789
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KEYWORD
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nonn
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AUTHOR
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R. H. Hardin, Dec 08 2014
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STATUS
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approved
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