%I #6 Dec 01 2020 13:54:34
%S 1,4,24,168,1257,9778,77994,633056,5204434
%N a(n) is the number of domino towers of height n consisting of 2*n bricks, a(n) = A333650(2*n, n).
%Y Cf. A333650.
%K nonn,more
%O 1,2
%A _Peter Luschny_, Dec 01 2020