Number of n X 4 binary matrices with no 2 X 2 block having four 1's.

A181247

Number of n X 4 binary matrices with no 2 X 2 block having four 1's.

Terms

    a(0) =16a(1) =216a(2) =3032a(3) =42176a(4) =587920a(5) =8191392a(6) =114142368a(7) =1590466304a(8) =22161786304a(9) =308805072256

External references