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A254507
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Number of (n+2)X(3+2) 0..1 arrays with every 3X3 subblock sum of four medians of central row, central column, diagonal and antidiagonal nondecreasing horizontally, vertically and ne-to-sw antidiagonally
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1
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12730, 55667, 373348, 2290520, 13015622, 74724261, 412719610, 2257549280, 12214911424, 65273197441, 346140738426, 1822550628548, 9537844921742, 49656492435589, 257361923589952, 1328581649004624, 6834526602246290
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