%I #5 Apr 24 2020 21:03:15
%S 8,56,296,1816,10728,62648,365464,2130488,12424112,72464136,422680024,
%T 2465699704,14384367304,83919450272,489611186736,2856635570680,
%U 16667509269248,97251708586688
%N Number of endless self-avoiding walks of length n for the union jack lattice.
%Y Cf. A334322, A334326, A334330, A334331, A334333, A334334.
%K nonn,more
%O 1,1
%A _Michel Marcus_, Apr 23 2020