A121151 Minimal number of vertices in an n-polytrimino (or n-polyiamond).

3, 4, 5, 6, 7, 7, 8, 9, 10, 10, 11, 12, 12, 13

Offset

1,1

Comments

An n-polytrimino is similar to polyomino but it is made with n triangles instead of squares.

Links

Table of n, a(n) for n=1..14.

Eric Weisstein's World of Mathematics, Polyomino.

Eric Weisstein's World of Mathematics, Polyiamond.

Crossrefs

Cf. A121149, A121150.

Sequence in context: A225852 A198458 A134483 * A088243 A154660 A004492

Adjacent sequences: A121148 A121149 A121150 * A121152 A121153 A121154

Keyword

nonn,more

Author

Alexander Adamchuk, Aug 12 2006

Status

approved