OFFSET
1,2
COMMENTS
Also known as "Polytriamonds" because the building block is the unique triamond (composite of three equilateral triangles joined edge-to-edge). - Aaron N. Siegel, May 23 2022
REFERENCES
Computed by Brendan Owen.
LINKS
Abaroth's World, Polyhes, Polyhalfhexes & Polytriamonds
Andrew Clarke, Other Polyforms
CROSSREFS
KEYWORD
nonn,nice,hard,more
AUTHOR
N. J. A. Sloane, Oct 29 2000
EXTENSIONS
Link updated by William Rex Marshall, Dec 16 2009
a(7) from Aaron N. Siegel, May 23 2022
STATUS
approved