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A310503
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Coordination sequence Gal.4.73.1 where Gal.u.t.v denotes the coordination sequence for a vertex of type v in tiling number t in the Galebach list of u-uniform tilings.
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0
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1, 4, 10, 16, 20, 26, 32, 36, 40, 46, 52, 56, 62, 68, 72, 76, 82, 88, 92, 98, 104, 108, 112, 118, 124, 128, 134, 140, 144, 148, 154, 160, 164, 170, 176, 180, 184, 190, 196, 200, 206, 212, 216, 220, 226, 232, 236, 242, 248, 252
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internal format)
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OFFSET
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0,2
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COMMENTS
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Note that there may be other vertices in the Galebach list of u-uniform tilings with u <= 6 that have this same coordination sequence. See the Galebach link for the complete list of A-numbers for all these tilings.
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LINKS
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FORMULA
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a(n) = a(n-1) + a(n-7) - a(n-8) for n > 8.
G.f.: (x^8 + 3*x^7 + 6*x^6 + 6*x^5 + 4*x^4 + 6*x^3 + 6*x^2 + 3*x + 1)/(x^8 - x^7 - x + 1). (End)
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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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