A075205
Number of polyominoes with n cells that tile the plane isohedrally.
Original entry on oeis.org
1, 1, 2, 5, 12, 35, 104, 342, 1041, 3026, 6512, 23227, 38238, 108204, 278426, 544635, 825654, 3049903, 3375582, 12108377, 21899125, 36960289, 53317222, 220706640, 271264826
Offset: 1
- Branko Grünbaum and G. C. Shephard, Tilings and Patterns. W. H. Freeman, New York, 1987, Section 9.4.
Cf.
A054359,
A075198,
A075199,
A075200,
A075201,
A075202,
A075203,
A075204,
A075206,
A075214,
A075223.
A075206
Number of anisohedral polyominoes with n cells.
Original entry on oeis.org
0, 0, 0, 0, 0, 0, 0, 1, 9, 44, 108, 222, 431, 900, 1157, 2258, 1381, 7429, 5542, 18306, 22067, 47849, 10542, 202169, 28977
Offset: 1
- Branko Grünbaum and G. C. Shephard, Tilings and Patterns. W. H. Freeman, New York, 1987, Section 9.4.
Cf.
A054359,
A075198,
A075199,
A075200,
A075201,
A075202,
A075203,
A075204,
A075205,
A075215,
A075224.
A054360
Number of polyominoes with n cells that do not tile the plane.
Original entry on oeis.org
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
Offset: 1
Joe Keane (jgk(AT)jgk.org)
- Posting by Glenn C. Rhoads (rhoads(AT)paul.rutgers.edu) to rec.puzzles, Feb 17 2000.
Comments