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A126139
Number of non-rectangular polyominoes with n cells that tile a rectangle with congruent copies.
3
0, 0, 1, 2, 3, 8, 5, 11, 39
(list; graph; refs; listen; history; text; internal format)
OFFSET
1,4
REFERENCES
S. W. Golomb, Polyominoes, second edition, Chapter 8, pp. 97-110, Princeton University Press, 1994.
LINKS
Table of n, a(n) for n=1..9.
M. Reid, Rectifiable polyomino page.
FORMULA
a(n) = A126138(n) - A038548(n).
CROSSREFS
Cf. A126138, A126140, A126141.
Sequence in context: A332221 A340393 A332222 * A296070 A060872 A162775
Adjacent sequences: A126136 A126137 A126138 * A126140 A126141 A126142
KEYWORD
hard,more,nonn
AUTHOR
William Rex Marshall, Dec 19 2006, Feb 15 2007
STATUS
approved

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Last modified November 28 08:38 EST 2024. Contains 378181 sequences.
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