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%I #15 Nov 25 2020 03:12:33
%S 4,32,-8,24,40,40,-176,444,240,-648,232,508,-272,-556,1540,980,-3064,
%T 1424,812,740,-3284,2172,4164,-8648,6836,3164,-7972,1500,4716,792,
%U -10216,10500,7236,-18132,5356,7328,2800,-19444,12416,21932
%N Coordination sequence for octagonal tiling is a(n) + A103908(n)*sqrt(2).
%H M. Baake, U. Grimm, P. Repetowicz and D. Joseph, <a href="https://arXiv.org/abs/cond-mat/9809110">Coordination sequences and critical points</a>, 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.
%H M. Baake and U. Grimm, <a href="http://arxiv.org/abs/math-ph/0509038">Averaged coordination numbers of planar aperiodic tilings</a>, arXiv:math-ph/0509038, 2005; Philosophical Magazine 86 (2006) 567-572.
%Y Cf. A103908.
%K sign
%O 1,1
%A _Ralf Stephan_, Feb 22 2005
%E More terms from Herman Jamke (hermanjamke(AT)fastmail.fm), Nov 03 2006
%E Typo in name corrected by _Michel Marcus_, Jun 08 2015
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