A242935 Number of forced tiles in the local empire of the eight possible vertex configurations in a Penrose rhomb tiling, in the order D, J, S, Q, S5, K, S3, S4.

0, 2, 5, 10, 25, 27, 43, 99

Offset

1,2

Comments

The sequence refers to Figures 3.5 - 3.11 on pp. 28-32 of Effinger-Dean's thesis. It has been decided that the numbers should be listed here in the OEIS in order of increasing size. - M. F. Hasler, Jun 04 2019

Links

Table of n, a(n) for n=1..8.

L. Effinger-Dean, The Empire Problem in Penrose Tilings, B.A. thesis, Williams college (Williamstown, MA), May 2006, Fig. 3.5 - 3.11, pp. 28-32.

Wikipedia, Penrose tiling.

Crossrefs

Cf. A242128, A242129, A242894, A242895, A243884, A302176, A302841, A302842, A235857, A235858, A103906, A103907. - M. F. Hasler, Jun 04 2019

Sequence in context: A001431 A324149 A054866 * A109616 A181785 A018262

Adjacent sequences: A242932 A242933 A242934 * A242936 A242937 A242938

Keyword

nonn,fini,full

Author

Felix Fröhlich, May 27 2014

Extensions

Terms reordered by M. F. Hasler, Jun 04 2019

Status

approved