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A295114
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Number of n X n 0..1 arrays with each 1 horizontally or vertically adjacent to 1 or 4 1's.
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0
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1, 5, 26, 326, 8257, 420519, 43655680, 9196006628, 3931962260999, 3413278465996124, 6014918791165296861, 21516997694119562490452, 156257115416099427263269042, 2303561969444050408142747347914
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