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A301442
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Number of nX7 0..1 arrays with every element equal to 0, 1, 2, 3, 4 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
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1
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64, 8192, 682084, 62956480, 5777358820, 531234388944, 48849438137664, 4492116306943692, 413089268497224392, 37987202449871223276, 3493258870390322650124, 321236024255689780316508
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