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A033072
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Numbers n with property that all pairs of consecutive base 7 digits differ by 1.
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0
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1, 2, 3, 4, 5, 6, 7, 9, 15, 17, 23, 25, 31, 33, 39, 41, 47, 50, 64, 66, 105, 107, 121, 123, 162, 164, 178, 180, 219, 221, 235, 237, 276, 278, 292, 333, 335, 350, 352, 448, 450, 464, 466, 736, 750, 752, 848, 850, 864, 866, 1134, 1136
(list; graph; refs; listen; history; internal format)
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