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A014892
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n is equal to the number of 4s in all numbers <= n written in base 6.
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0
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42768, 44921, 44922, 44923, 44924, 44925, 46656, 89424, 91577, 91578, 91579, 91580, 91581, 93312, 136080, 138233, 138234, 138235, 138236, 138237, 139968, 182736, 184889, 184890, 184891, 184892, 184893
(list; graph; refs; listen; history; internal format)
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