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A176884
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Beginning with 2, the distance between a number and the previous number with same number of prime factors, repetitions included. Powers of 2 are assigned zero. See example.
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2
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0, 1, 0, 2, 2, 2, 0, 3, 1, 4, 4, 2, 4, 1, 0, 4, 6, 2, 2, 6, 1, 4, 8, 3, 1, 7, 1, 6, 2, 2, 0, 7, 1, 1, 12, 6, 3, 1, 4, 4, 12, 2, 2, 1, 7, 4, 16, 3, 5, 2, 2, 6, 14, 4, 2, 2, 1, 6, 4, 2, 4, 11, 0, 3, 3, 6, 2, 4, 2, 4, 24, 2, 5, 5, 1, 3, 2, 6, 8, 21, 5, 4, 3, 3, 1, 1, 4, 6, 2, 4, 14, 2, 1, 1, 32, 8, 6, 1, 10, 4, 3
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OFFSET
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1,4
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LINKS
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EXAMPLE
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The distance between numbers and previous number with same number of primes (#,d): (2,0),(3,1),(4,0),(5,2),(6,2),(7,2),(8,0),(9,3),...So the sequence is: 0,1,0,2,2,2,0,3,...
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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