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Number of 3-anisohedral polyiamonds of order n.
0

%I #8 Mar 30 2012 17:28:41

%S 0,0,0,0,0,0,0,0,0,1,8,8,9,7,13,16,16,17,25,125,32,43,34,121,46,62,57,

%T 113,59,2881

%N Number of 3-anisohedral polyiamonds of order n.

%H Joseph Myers, <a href="http://www.polyomino.org.uk/mathematics/polyform-tiling/">Polyomino tiling</a>

%K nonn

%O 1,11

%A _N. J. A. Sloane_, Aug 25 2006

%E Adjusted to offset 1 and a(29) and a(30) added by _Joseph Myers_, Nov 21 2010