A089458 Number of n-celled polyominoes with exactly 6 holes.

0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 64, 2131, 38022, 480713, 4872679, 42360239

Offset: 1

Author

Joseph Myers, Nov 04 2003

Keywords

• nonn
• hard
• more

Links

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

Crossrefs

Cf. A001419, A000104, A057418, A089454, A089455, A089456, A089457.

Extensions

a(27)-a(28) from Tomás Oliveira e Silva's page added by Andrey Zabolotskiy, Oct 02 2022