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A296404
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Number of nX7 0..1 arrays with each 1 horizontally, vertically or antidiagonally adjacent to 2 or 3 neighboring 1s.
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1
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1, 289, 4560, 110554, 3939121, 107541673, 3068113721, 90097748288, 2600708602697, 75199003513063, 2177790921375079, 63025869220333603, 1824132928895167966, 52797260271592457318, 1528116017845740163428
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