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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. 1
0, 2, 5, 10, 25, 27, 43, 99 (list; graph; refs; listen; history; text; internal format)
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 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. [From 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

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Last modified May 13 17:35 EDT 2021. Contains 343863 sequences. (Running on oeis4.)