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A163029
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Number of nX3 binary arrays with all 1s connected and a path of 1s from top row to bottom row
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1
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6, 28, 144, 730, 3692, 18666, 94384, 477264, 2413346, 12203374, 61707810, 312032874, 1577831334, 7978491800, 40344192708, 204005208738, 1031576601204, 5216289773894, 26376789637884, 133377373911160, 674438554337506
(list; graph; refs; listen; history; internal format)
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