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A310102 Coordination sequence Gal.4.16.1 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. 0
1, 3, 6, 11, 16, 18, 21, 24, 27, 30, 38, 43, 42, 45, 48, 51, 54, 65, 70, 66, 69, 72, 75, 78, 92, 97, 90, 93, 96, 99, 102, 119, 124, 114, 117, 120, 123, 126, 146, 151, 138, 141, 144, 147, 150, 173, 178, 162, 165, 168 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,2
COMMENTS
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.
LINKS
FORMULA
Conjectures from Chai Wah Wu, Dec 24 2019: (Start)
a(n) = 2*a(n-7) - a(n-14) for n > 14.
G.f.: (x^14 + 3*x^13 + 6*x^12 + 11*x^11 + 16*x^10 + 18*x^9 + 21*x^8 + 22*x^7 + 21*x^6 + 18*x^5 + 16*x^4 + 11*x^3 + 6*x^2 + 3*x + 1)/(x^14 - 2*x^7 + 1). (End)
CROSSREFS
Sequence in context: A363652 A368586 A310101 * A310103 A310104 A310105
KEYWORD
nonn
AUTHOR
STATUS
approved

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Last modified March 28 09:04 EDT 2024. Contains 371240 sequences. (Running on oeis4.)