Number of nX6 binary matrices with no 2X2 block having four 1's.
A181249
Number of nX6 binary matrices with no 2X2 block having four 1's.
Terms
- a(0) =64a(1) =3105a(2) =160697a(3) =8191392a(4) =419045269a(5) =21418970801
External references
- oeis: A181249