

A183552


Number of nX7 0..2 arrays with each element equal to either the maximum or the minimum of its horizontal and vertical neighbors


1



63, 25785, 3721925, 569461759, 87176303417, 13344696858771, 2043774880960645, 313000943874975793, 47935484320796681363, 7341240634658342843595, 1124298676282804824274345, 172184481387904369618417369
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