A089455 Number of n-celled polyominoes with exactly 3 holes.

0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 69, 798, 7021, 51775, 339958, 2053872, 11665593, 63192945, 329798278, 1670466031, 8256762365, 39992202198

Offset: 1

Author

Joseph Myers, Nov 04 2003

Keywords

• hard
• nonn

Links

• Tomás Oliveira e Silva, Animal enumerations on the {4,4} Euclidean tiling

Crossrefs

Cf. A001419, A057418, A089454, A089456, A089457, A089458.