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Search: id:A127406
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| A127406 |
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Number of points in a 2-dimensional honeycomb net covered by a circular disk of diameter n if the center of the disk is chosen to maximize the number of net points covered by the disk. |
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8
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| 2, 6, 7, 13, 17, 25, 34, 42, 54, 64, 78, 90, 107, 126, 140, 163, 178, 204, 222, 246
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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a(n)>= max(A127402(n),A127403(n),A127404(n)). a(n) is an upper limit for the number of path segments in A122223.
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LINKS
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Hugo Pfoertner, Maximal number of points in the honeycomb lattice covered by circular disks. Illustrations.
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CROSSREFS
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Cf. A127402, A127403, A127404, A127405, A122223. The corresponding sequences for the square lattice and hexagonal lattice are A123690 and A125852, respectively.
Sequence in context: A072147 A124319 A078471 this_sequence A092310 A087376 A128918
Adjacent sequences: A127403 A127404 A127405 this_sequence A127407 A127408 A127409
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KEYWORD
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more,nonn
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AUTHOR
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Hugo Pfoertner (hugo(AT)pfoertner.org), Feb 08 2007
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