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A054360 Number of polyominoes with n cells that do not tile the plane. 5
0, 0, 0, 0, 0, 0, 4, 26, 235, 1585, 10453, 40151, 199922, 792867, 3146993, 12532362, 49280874, 189564720, 739243108, 2858545267, 11101139486, 43154849550, 167993679964, 654778791594, 2556955750961 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,7

REFERENCES

Posting by Glenn C. Rhoads (rhoads(AT)paul.rutgers.edu) to rec.puzzles, Feb 17 2000.

LINKS

Table of n, a(n) for n=1..25.

Joseph Myers, Polyomino tiling

EXAMPLE

a(7) = 4.

CROSSREFS

Cf. A000105, A054359, A054361.

Sequence in context: A227917 A136227 A000310 * A124824 A000311 A244451

Adjacent sequences:  A054357 A054358 A054359 * A054361 A054362 A054363

KEYWORD

nonn,hard

AUTHOR

Joe Keane (jgk(AT)jgk.org)

EXTENSIONS

Corrected and extended by Joseph Myers, May 05 2002

More terms from Joseph Myers, Nov 04 2003

a(24) and a(25) from Joseph Myers, Nov 17 2010

STATUS

approved

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Last modified February 23 21:23 EST 2018. Contains 299588 sequences. (Running on oeis4.)