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A057543
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Maximum cycle length (orbit size) in the rotation permutation of 2n non-crossing handshakes.
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8
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1, 1, 2, 3, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32, 34, 36, 38, 40, 42, 44, 46, 48, 50, 52, 54, 56, 58, 60, 62, 64, 66, 68, 70, 72, 74, 76, 78, 80, 82, 84, 86, 88, 90, 92, 94, 96, 98, 100, 102, 104, 106, 108, 110, 112, 114, 116, 118, 120, 122, 124
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OFFSET
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0,3
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COMMENTS
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LINKS
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FORMULA
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a(0)=1, a(1)=1, a(2)=2, a(3)=3, and a(n)=2*n for n>=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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EXTENSIONS
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STATUS
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approved
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