|
%I #14 May 16 2022 02:35:11
%S 1,1,4,6,19,49,143,403,1235,3681,11354,34944,108956,340635,1072593,
%T 3388161,10751029,34217608,109255023,349750874,1122436127,3610017340
%N Number of one-sided poly-[3.6.3.6]-tiles (holes allowed) with n cells (division into rhombi is significant).
%D Branko Grünbaum and G. C. Shephard, Tilings and Patterns. W. H. Freeman, New York, 1987, Sections 2.7, 6.2 and 9.4.
%Y Cf. A197459, A197461.
%K nonn,hard,more
%O 1,3
%A _Joseph Myers_, Oct 15 2011
%E a(18)-a(22) from _Aaron N. Siegel_, May 15 2022
|
