Select polyominoes for a set (currently 1 or 2), for which tilings should be shown.

Then click "Show" button.

You may also see list of all polyomino sets for which data is available here.

Prime rectangles: ≥ 0.

Blue number - strongly prime rectangle (which cannot be divided into two or more number of rectangles tileable by this set).

Green number - weakly prime rectangle (which cannot be divided into two rectangles tileable by this set, but which can be divided into three or more rectangles).

Purple number - prime rectangle (unknown if weakly or strongly prime).

Red number - composite rectangle (which can be divided into two rectangles tileable by this set).

Gray number - it is unknown whether rectangle is prime or composite.

Question mark (?) - solution count is unknown.

Click on underlined numbers to view picture with one solution.

w \ h

1-34

35

N>0

1-34

0

35

0

0

36

0

0

?

37

0

0

?

38

0

0

?

39

0

0

?

40

0

0

?

41

0

0

?

42

0

0

?

43

0

0

?

44

0

0

?

45

0

0

?

46

0

0

?

47

0

0

?

48

0

0

?

49

0

0

?

50

0

0

?

51

0

0

?

52

0

0

?

53

0

0

?

54

0

0

?

55

0

0

?

56

0

0

?

57

0

0

?

58

0

0

?

59

0

0

?

60

0

0

?

61

0

0

?

62

0

0

?

63

0

0

?

64

0

0

?

65

0

0

?

66

0

0

?

67

0

0

?

68

0

0

?

69

0

0

?

70

0

0

?

71

0

0

?

72

0

0

?

73

0

0

?

74

0

0

?

75

0

0

?

76

0

0

?

77

0

0

?

78

0

0

?

79

0

0

?

80

0

0

?

81

0

0

?

82

0

0

?

83

0

0

?

N>0

x

?