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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: A114340 A126102 A011433 * 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 February 20 09:44 EST 2019. Contains 320325 sequences. (Running on oeis4.)