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A089457 Number of n-celled polyominoes with exactly 5 holes. 4
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 21, 573, 9140, 105417, 982767, 7919375, 57387444 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,20

LINKS

Table of n, a(n) for n=1..26.

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

CROSSREFS

Cf. A001419, A057418, A089454, A089455, A089456, A089458.

Sequence in context: A183730 A199254 A199199 * A265631 A009091 A231639

Adjacent sequences:  A089454 A089455 A089456 * A089458 A089459 A089460

KEYWORD

hard,nonn

AUTHOR

Joseph Myers, Nov 04 2003

STATUS

approved

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Last modified September 25 21:33 EDT 2017. Contains 292500 sequences.