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A057647
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Number of walks of length n on the upper-right part of the hexagonal lattice.
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2
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1, 2, 9, 38, 185, 914, 4706, 24632, 131309, 708284, 3861380, 21225588, 117511456, 654474352, 3664017964, 20604973852, 116332926949, 659097637368, 3745842085016, 21348227213714, 121974246173946, 698499504058204
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OFFSET
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0,2
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COMMENTS
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The hexagonal lattice is the familiar 2-dimensional lattice in which each point has 6 neighbors. This is sometimes called the triangular lattice. - Sean A. Irvine, Jun 22 2022
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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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EXTENSIONS
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STATUS
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approved
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