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A223795
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Number of n X n 0..3 arrays with rows and antidiagonals unimodal
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1
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4, 256, 110116, 151310069, 453578376041, 2401987689157097, 19618352087687868206, 225161556703631799074083, 3396567436573176749810085543, 64088930629934993395801694394536
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