Number of (n+1)X(3+1) 0..1 arrays with no 2X2 subblock having x11-x00 less than x10-x01.
A251263
Number of (n+1)X(3+1) 0..1 arrays with no 2X2 subblock having x11-x00 less than x10-x01.
Terms
- a(0) =57a(1) =313a(2) =1667a(3) =9109a(4) =49872a(5) =273607a(6) =1501739a(7) =8244503a(8) =45265163a(9) =248529844a(10) =1364574377a(11) =7492353561a(12) =41137689397a(13) =225871759293
External references
- oeis: A251263