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A253870
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Number of (n+2)X(7+2) 0..1 arrays with every 3X3 subblock diagonal maximum minus antidiagonal minimum nondecreasing horizontally, vertically and ne-to-sw antidiagonally
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1
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21426176, 1655991552, 114921882112, 8415694011136, 581987474157824, 41030428849264384, 2875255935248467200, 201731703872924598016, 14106287920390974847744, 987973194711235568769792
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