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A069362
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Number of 4 X n binary arrays with a path of adjacent 1's from top row to bottom row.
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10
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1, 41, 1041, 22193, 433809, 8057905, 144769425, 2541013617, 43843180113, 746691527217, 12588144461329, 210502738714097, 3497001564166609, 57781030561348017, 950437243856526737, 15574913193760097649
(list; graph; refs; listen; history; internal format)
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