%I #12 Oct 28 2023 15:28:19
%S 0,0,0,1,2,7,19,54,147,418,1150,3254,9138,25953,73717,210719,603370,
%T 1734739,4998542,14444576,41829991,121406927,353029078,1028417980,
%U 3000754648,8769118355,25661830891,75194886765,220605144778,647942827064,1905103686527,5607037213434,16517892572160,48703328674762
%N Triangular polyominoes (n-iamonds) without bilateral symmetry (holes are allowed).
%H John Mason, <a href="/A030224/b030224.txt">Table of n, a(n) for n = 1..52</a>
%Y Cf. A000577, A006534, A030223, A030224.
%K nonn
%O 1,5
%A _David W. Wilson_
%E More terms from _Joseph Myers_, Sep 24 2002
%E More terms from _John Mason_, Oct 28 2023