Number of 3 X n binary matrices that are "primitive"; that is, they cannot be expressed as a "tiling" by a smaller matrix.
A290754
Number of 3 X n binary matrices that are "primitive"; that is, they cannot be expressed as a "tiling" by a smaller matrix.
Terms
- a(0) =12a(1) =228a(2) =4020a(3) =65040a(4) =1047540a(5) =16768860a(6) =268419060a(7) =4294836480a(8) =68719210560
External references
- oeis: A290754