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A297523
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Number of 5Xn 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 1 or 3 neighboring 1s.
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1
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1, 55, 727, 3383, 19187, 193087, 1671315, 11283382, 81257447, 657369214, 5147569469, 38210138908, 288167354609, 2227166744932, 17081986727547, 129544373848971, 986096515060524, 7545134870681164, 57628191903916501
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