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Number of 2-anisohedral polyiamonds of order n.
0

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

%S 0,0,0,0,0,0,0,0,5,23,43,38,85,274,259,324,326,1344,591,2348,1466,

%T 8240,1773,16608,3408,48372,5386,95189,9351,330833

%N Number of 2-anisohedral polyiamonds of order n.

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

%K nonn

%O 1,9

%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