id:A103909 - OEIS Search Results

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Coordination sequence for octagonal tiling is a(n) + A103909(n)*sqrt(2).

+0
2

4, 32, -8, 24, 40, 40, -176, 444, 240, -648, 232, 508, -272, -556, 1540, 980, -3064, 1424, 812, 740, -3284, 2172, 4164, -8648, 6836, 3164, -7972, 1500, 4716, 792, -10216, 10500, 7236, -18132, 5356, 7328, 2800, -19444, 12416, 21932 (list; graph; listen)

	OFFSET	`1,1`
	LINKS	`M. Baake, U. Grimm, P. Repetowicz and D. Joseph, Coordination sequences and critical points` `M. Baake and U. Grimm, Averaged coordination numbers of planar aperiodic tilings. Philosophical Magazine 86 (2006) 567-572 [math-ph/0509038]`
	CROSSREFS	`Sequence in context: A005828 A084764 A061789 this_sequence A068088 A118901 A114076` `Adjacent sequences: A103906 A103907 A103908 this_sequence A103910 A103911 A103912`
	KEYWORD	`sign`
	AUTHOR	`Ralf Stephan, Feb 22 2005`
	EXTENSIONS	`More terms from Herman Jamke (hermanjamke(AT)fastmail.fm), Nov 03 2006`

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Last modified July 24 12:00 EDT 2008. Contains 142294 sequences.

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