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A300538
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Number of n X 7 0..1 arrays with every element equal to 0, 2, 3 or 4 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
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1
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1, 304, 1585, 52012, 1220365, 31434011, 831752031, 21825406629, 577067248097, 15264615530025, 403812868628480, 10685809803693442, 282758103332509395, 7482442076882694554, 198001573519763389397, 5239581373201937179149
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