Number of binary pattern classes in the (5,n)-rectangular grid: two patterns are in the same class if one of them can be obtained by a reflection or 180-degree rotation of the other.
A225829
Number of binary pattern classes in the (5,n)-rectangular grid: two patterns are in the same class if one of them can be obtained by a reflection or 180-degree rotation of the other.
Terms
- a(0) =1a(1) =20a(2) =288a(3) =8640a(4) =263680a(5) =8407040a(6) =268517376a(7) =8590786560a(8) =274882625536
External references
- oeis: A225829