A242895 Beginning with a central 'Sun' configuration of a Penrose 'Kite' and 'Dart' tiling with rotational symmetry as the first step, number of tiles that can be added to the free edges of the current tiling.

5, 5, 10, 15, 20, 25, 30

Offset: 1

Author

Felix Fröhlich, May 25 2014

Keywords

• nonn
• more

Comments

The initial 5 corresponds to the "Sun" configuration made of 5 Penrose "Kites". In view of the 5-fold rotational symmetry, all terms are divisible by 5, see the illustrations given as LINKS. - M. F. Hasler, Jun 05 2019

Links

• Sam T. Benge(?), Image of 'Sun' and 'Star' configurations in a centrally symmetric 'Kite' and 'Dart' tiling, post to the POV-Ray Newsgroup, Oct 31 2009.
• Wikipedia, Penrose tiling, Deflation for P2 and P3 tilings. (Defines "sun" and "star" configurations and generations corresponding to terms of this sequence.)

Crossrefs

Cf. A242128, A242129, A242888, A242889, A242890, A242891, A242892, A242893, A242894.