OFFSET
1,7
COMMENTS
The two smallest pentagonal polyiamonds contain five and six unit triangles. All internal angles are either 60, 120 or 240 degrees.
Order five and six equilateral triangle pentagonal tilings require pentagonal tiles larger than hexiamonds.
LINKS
Craig Knecht, Close necks type 1 and type 2.
Craig Knecht, Close neck cluster tiling.
Craig Knecht, Close neck sphinx tile clusters.
Craig Knecht, Example for the sequence.
Craig Knecht, Neck connected pathways.
Craig Knecht, Pentagonal tiling of T5, T6.
Craig Knecht, Tiling with larger pentagonals.
Walter Trump, Number of positions of a polyiamond tile in a triangle frame.
Walter Trump, Pentagonal polyiamonds.
CROSSREFS
KEYWORD
nonn,more
AUTHOR
Craig Knecht, Jun 21 2019
STATUS
approved