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A314055
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Coordination sequence Gal.4.143.3 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, 11, 15, 21, 26, 33, 37, 41, 47, 52, 59, 63, 69, 73, 78, 85, 89, 95, 99, 106, 111, 115, 121, 125, 132, 137, 143, 147, 151, 158, 163, 169, 173, 179, 184, 189, 195, 199, 205, 210, 217, 221, 225, 231, 236, 243, 247, 253, 257
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refs;
listen;
history;
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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-5) + a(n-7) - a(n-12) for n > 12.
G.f.: (x^12 + 5*x^11 + 11*x^10 + 15*x^9 + 21*x^8 + 25*x^7 + 28*x^6 + 25*x^5 + 21*x^4 + 15*x^3 + 11*x^2 + 5*x + 1)/(x^12 - x^7 - x^5 + 1). (End)
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CROSSREFS
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KEYWORD
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nonn,changed
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AUTHOR
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STATUS
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approved
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