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A218553
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Order of (5,n) cage, i.e., minimal order of 5-regular graph of girth n.
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7
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OFFSET
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3,1
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COMMENTS
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a(7) <= 152, a(8) = 170, a(12) = 2730. - From Royle's page via Jason Kimberley, Dec 21 2012
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LINKS
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Andries E. Brouwer, Cages
Eric Weisstein's World of Mathematics, Cage Graph (claims too much)
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FORMULA
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CROSSREFS
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Orders of cages: A054760 (n,k), A000066 (3,n), A037233 (4,n), this sequence (5,n), A218554 (6,n), A218555 (7,n), A191595 (n,5).
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KEYWORD
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hard,more,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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