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A312932 Coordination sequence Gal.5.81.4 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, 4, 9, 13, 18, 22, 27, 31, 36, 40, 44, 49, 53, 58, 62, 67, 71, 76, 80, 84, 89, 93, 98, 102, 107, 111, 116, 120, 124, 129, 133, 138, 142, 147, 151, 156, 160, 164, 169, 173, 178, 182, 187, 191, 196, 200, 204, 209, 213, 218 (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, Feb 14 2020: (Start)
a(n) = a(n-1) + a(n-9) - a(n-10) for n > 10.
G.f.: (x^10 + 3*x^9 + 5*x^8 + 4*x^7 + 5*x^6 + 4*x^5 + 5*x^4 + 4*x^3 + 5*x^2 + 3*x + 1)/(x^10 - x^9 - x + 1). (End)
CROSSREFS
Sequence in context: A312929 A312930 A312931 * A330183 A312933 A206908
KEYWORD
nonn
AUTHOR
STATUS
approved

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Last modified April 25 07:07 EDT 2024. Contains 371964 sequences. (Running on oeis4.)