A242892 - OEIS

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A242892

Beginning with a centrally symmetric 'Star' configuration of 9 rhombi with rotational symmetry, number of tiles that can be added to the free edges of the tiling.

9, 9, 18, 27, 27, 18

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

LINKS

Table of n, a(n) for n=1..6.

S. Weber, Fourier transform on quasiperiodic point sets (select '9-fold' with 'shift (n-1)/(2n)')

CROSSREFS

Cf. A242128, A242129, A242888, A242889, A242890, A242891, A242893, A242894, A242895.

Sequence in context: A065999 A168419 A309463 * A112440 A022092 A245430

Adjacent sequences: A242889 A242890 A242891 * A242893 A242894 A242895

KEYWORD

nonn,more

AUTHOR

Felix Fröhlich, May 25 2014

STATUS

approved