Number of n X n binary matrices with rows and columns each in strictly increasing order as binary numbers and every 0 adjacent to a 1 and every 1 adjacent to a 0.

A181010

Number of n X n binary matrices with rows and columns each in strictly increasing order as binary numbers and every 0 adjacent to a 1 and every 1 adjacent to a 0.

Terms

    a(0) =0a(1) =1a(2) =1a(3) =1a(4) =2a(5) =8a(6) =59a(7) =744a(8) =19644a(9) =1150827a(10) =158171825a(11) =54785832985

External references