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A373612
Size of the largest polyiamond that can be enclosed in n cells on a triangular lattice.
0
0, 0, 0, 0, 0, 0, 1, 1, 2, 2, 3, 3, 6, 6, 6, 7, 7, 10
OFFSET
6,9
EXAMPLE
A single triangular face takes 12 triangles to completely enclose so a(12) = 1.
CROSSREFS
Cf. A290648. A257594 is the hexagonal tiling equivalent. A008642 is the square tiling equivalent (if prepended with 7 zeros).
Sequence in context: A096111 A358337 A101081 * A147795 A258186 A357415
KEYWORD
nonn,more
AUTHOR
Abraham Maxfield, Jun 10 2024
STATUS
approved