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A103907
Coordination sequence for Penrose tiling is a(n) + tau*A103906(n), where tau is A001622.
2
4, 58, -128, 288, -374, 980, -1614, 2688, -3840, 4246
OFFSET
1,1
LINKS
M. Baake, U. Grimm, P. Repetowicz and D. Joseph, Coordination sequences and critical points, arXiv:cond-mat/9809110 [cond-mat.stat-mech], 1998; in: S. Takeuchi and T. Fujiwara, Proceedings of the 6th International Conference on Quasicrystals - Yamada Conference XLVII, World Scientific Publishing, 1998, ISBN 981-02-3343-4, pp 124-127.
CROSSREFS
Cf. A001622 (golden ratio), A103906.
Sequence in context: A221866 A270881 A246618 * A108148 A099348 A197177
KEYWORD
sign,more
AUTHOR
Ralf Stephan, Feb 22 2005
STATUS
approved