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A179541
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a(n) is the least possible smallest period attainable by the action of a periodic sequence of binary operations <+>,<-> (see A179382,A179480), beginning with 2n-1<+>1 or 2n-1<->1
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0
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1, 1, 1, 1, 2, 2, 1, 1, 3, 2, 4
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OFFSET
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2,5
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COMMENTS
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The minorizing sequence for all sequences of type A179382,A179480 with arbitrary periodic rotation of the binary operations <+>,<->.
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LINKS
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EXAMPLE
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Let n=12, 2n-1=23. Considering periodic sequence <+>,<->,<+>,<->,..., we have 23<+>1=3, 23<->3=5, 23<+>5=7, 23<->7=1, 23<+>1=3,... Thus a(12)<=4. It is not difficult to verify that a(12)>3. Thus a(12)=4.
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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