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A233219
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Number of 3Xn 0..5 arrays with no element x(i,j) adjacent to value 5-x(i,j) horizontally or antidiagonally, top left element zero, and 1 appearing before 2 3 and 4, and 2 appearing before 3 in row major order
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1
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11, 452, 35446, 3054973, 268289572, 23644611625, 2085188355031, 183912477980908, 16221346021645357, 1430752109958104260, 126195026132569335016, 11130640168352123713243, 981743557172626207811542
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