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A233017
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Number of nX7 0..3 arrays with no element x(i,j) adjacent to value 3-x(i,j) horizontally or vertically, top left element zero, and 1 appearing before 2 in row major order
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1
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365, 176474, 85827722, 41775098873, 20336458202315, 9900284810558324, 4819736584585663322, 2346387082638325434623, 1142289504742332894080090, 556099819337132688338013569, 270725603659451277161400600662
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