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A146017
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Number of n X n binary arrays symmetric under horizontal and vertical reflection with all ones connected only in a 2X4 el 1,1 1,2 1,3 1,4 2,4 with any orientation.
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0
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1, 1, 1, 1, 1, 1, 1, 1, 29, 29, 297, 297, 3639, 3639, 84611, 84611, 2861167, 2861167, 210769267, 210769267, 22904472355, 22904472355
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