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Search: id:A054086
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| A054086 |
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For k >= 1, let p(k)=least h in N not already an a(i), q(k)=p(k)+k, a(3k-1)=q(k), a(3k)=p(k), a(3k+1)=least h in N not already an a(i). |
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3
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| 1, 3, 2, 4, 7, 5, 6, 11, 8, 9, 14, 10, 12, 18, 13, 15, 22, 16, 17, 26, 19, 20, 29, 21, 23, 33, 24, 25, 37, 27, 28, 41, 30, 31, 44, 32, 34, 48, 35, 36, 52, 38, 39, 55, 40, 42, 59, 43, 45, 63, 46, 47, 67, 49, 50, 70, 51, 53, 74, 54, 56, 78, 57
(list; graph; listen)
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OFFSET
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1,2
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CROSSREFS
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The trisection (3, 7, 11, 14, ...) is A003512, with n-th term [n(2+sqrt(3)], the complement of this is A003511, with n-th term [n(1+sqrt(3))/2].
A054087, A054088.
Sequence in context: A060006 A123097 A134571 this_sequence A163329 A105025 A129594
Adjacent sequences: A054083 A054084 A054085 this_sequence A054087 A054088 A054089
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KEYWORD
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nonn,eigen
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AUTHOR
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Clark Kimberling (ck6(AT)evansville.edu)
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