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A074274
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Gaps between even number of 1's in the Kolakoski sequence A000002.
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2
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3, 6, 3, 4, 3, 5, 3, 3, 6, 3, 5, 3, 4, 4, 5, 4, 3, 5, 3, 6, 3, 6, 3, 4, 3, 5, 4, 3, 5, 3, 4, 3, 3, 6, 3, 5, 4, 5, 3, 4, 4, 5, 3, 3, 5, 3, 4, 3, 5, 3, 6, 3, 6, 3, 3, 4, 3, 6, 3, 5, 3, 4, 3, 3, 6, 3, 5, 3, 3, 6, 3, 5, 3, 4, 5, 4, 4, 5, 4, 3, 5, 3, 6, 3, 5, 4, 4
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OFFSET
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1,1
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COMMENTS
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3 <= a(n) <= 6 for all n. - Nathaniel Johnston, May 02 2011
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LINKS
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EXAMPLE
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The Kolakoski sequence begins: 1,2,2,1,1,2,1,2,2,1,2,2,1,1,..., which has an even numbers of 1's (A074273) at 4, 7, 13, so the gaps are 3 and 6.
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CROSSREFS
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KEYWORD
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nonn,easy
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AUTHOR
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STATUS
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approved
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