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A069379
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Number of n X 4 binary arrays with a path of adjacent 1's from top row to bottom row.
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0
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15, 175, 1985, 22193, 247759, 2764991, 30856705, 344356289, 3842988975, 42887577455, 478623939553, 5341429762353, 59610217019311, 665248512113343, 7424156719466465, 82853403589520257, 924641917817567951
(list; graph; refs; listen; history; internal format)
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