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A314658
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Coordination sequence Gal.5.14.3 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, 5, 9, 13, 15, 22, 26, 34, 36, 41, 41, 49, 53, 62, 63, 68, 67, 76, 80, 90, 90, 95, 93, 103, 107, 118, 117, 122, 119, 130, 134, 146, 144, 149, 145, 157, 161, 174, 171, 176, 171, 184, 188, 202, 198, 203, 197, 211, 215, 230
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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-3) + a(n-4) + a(n-6) - a(n-7) + a(n-9) - a(n-10) for n > 13.
G.f.: (-x^13 + x^12 - x^11 + 2*x^10 + 4*x^9 + 5*x^8 + 6*x^7 + 7*x^6 + 11*x^5 + 6*x^4 + 5*x^3 + 4*x^2 + 4*x + 1)/(x^10 - x^9 + x^7 - x^6 - x^4 + x^3 - 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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