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A254551
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Number of (n+2)X(6+2) 0..1 arrays with every 3X3 subblock diagonal sum minus antidiagonal minimum nondecreasing horizontally, vertically and ne-to-sw antidiagonally
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1
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586508, 1206693, 3557566, 11160591, 22508196, 64180262, 159929222, 422261032, 1101303388, 3062450549, 8283415776, 22818508394, 62067929634, 169576348216, 462453098494, 1264807420141, 3453944249116, 9439924872491, 25783572217998
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