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0, 1, 2, 14, 82, 593, 4820, 43980, 444612, 4934721, 59661254, 780531034, 10987095718, 165586966817, 2660378564776, 45392022568024, 819716784789192, 15620010933562689, 313219935456042954, 6593238655510464742, 145364470356686267258, 3349976056859294611697
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refs;
listen;
history;
text;
internal format)
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OFFSET
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0,3
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COMMENTS
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A000179(n) = a(n-2) - a(n-4) for n >= 2. For example A000179(6) = 80 = 82 - 2 = a(4) - a(2).
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REFERENCES
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I. Kaplansky and J. Riordan, The problème des ménages, Scripta Math. 12, (1946), 113-124. See q_n.
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LINKS
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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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