Number of 4 X n binary matrices that are "primitive"; that is, they cannot be expressed as a "tiling" by a smaller matrix.
A291070
Number of 4 X n binary matrices that are "primitive"; that is, they cannot be expressed as a "tiling" by a smaller matrix.
Terms
- a(0) =30a(1) =990a(2) =32730a(3) =1047540a(4) =33554370a(5) =1073708010a(6) =34359738210
External references
- oeis: A291070