Number of binary pattern classes in the (4,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.
A225828
Number of binary pattern classes in the (4,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) =10a(2) =76a(3) =1120a(4) =16576a(5) =263680a(6) =4197376a(7) =67133440a(8) =1073790976a(9) =17180262400a(10) =274878693376
External references
- oeis: A225828