A302842 - OEIS

%I #14 May 09 2018 13:45:52

%S 1,5,5,10,30,20,30,35,25,55,40,65,50,50,70,80,80,90,80,70,110,105,105,

%T 80,130,120,140,130,140,100,165,145,170,165,115,180,180,200,180,140,

%U 200,215,210,225,210,160,240,240,240,250,165,275,250,285,255,200,280

%N Coordination sequence for a node with 5-fold symmetry in a Penrose rhomb tiling beginning with a central 'Sun' configuration.

%C See A302176 and A302841 for similar sequences.

%H Rémy Sigrist, <a href="/A302842/b302842.txt">Table of n, a(n) for n = 0..1597</a>

%H Preshing on Programming, <a href="https://preshing.com/20110831/penrose-tiling-explained/">Penrose Tiling Explained</a>

%H Rémy Sigrist, <a href="/A302842/a302842.png">Illustration of first terms</a>

%H Rémy Sigrist, <a href="/A302842/a302842.txt">C++ program for A302842</a>

%H Wikipedia, <a href="http://en.wikipedia.org/wiki/Penrose_tiling">Penrose tiling</a>

%H <a href="/index/Con#coordination_sequences">Index entries for coordination sequences of aperiodic tilings</a>

%o (C++) See Links section.

%Y Cf. A302176, A302841, A302869 (partial sums).

%K nonn

%O 0,2

%A _Rémy Sigrist_, Apr 14 2018