Number of (2+2)X(n+2) 0..1 arrays with every 3X3 subblock diagonal maximum minus antidiagonal median nondecreasing horizontally, vertically and ne-to-sw antidiagonally.
A254169
Number of (2+2)X(n+2) 0..1 arrays with every 3X3 subblock diagonal maximum minus antidiagonal median nondecreasing horizontally, vertically and ne-to-sw antidiagonally.
Terms
- a(0) =3036a(1) =23660a(2) =164408a(3) =1078032a(4) =6831024a(5) =41678024a(6) =251430924a(7) =1509107876a(8) =9050890564a(9) =54337026684a(10) =326446356700
External references
- oeis: A254169