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A251911
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Number of (n+2)X(2+2) 0..3 arrays with no row, column, diagonal or antidiagonal in any 3X3 subblock summing to 2 or 7
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1
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950384, 34096384, 1228480800, 44527823912, 1618348274612, 58876374190872, 2143054938148128, 78023852108626348, 2840985823286633136, 103450828934076482648, 3767124749546516886092, 137180191804313105874632
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