%I #16 Jul 07 2024 13:14:20
%S 0,0,0,0,0,0,1,1,2,2,3,3,6,6,6,7,7,10
%N Size of the largest polyiamond that can be enclosed in n cells on a triangular lattice.
%e A single triangular face takes 12 triangles to completely enclose so a(12) = 1.
%Y Cf. A290648. A257594 is the hexagonal tiling equivalent. A008642 is the square tiling equivalent (if prepended with 7 zeros).
%K nonn,more
%O 6,9
%A _Abraham Maxfield_, Jun 10 2024