Number of (n+1)X(3+1) 0..1 arrays with no 2X2 subblock having its minimum diagonal element less than its minimum antidiagonal element.
A251095
Number of (n+1)X(3+1) 0..1 arrays with no 2X2 subblock having its minimum diagonal element less than its minimum antidiagonal element.
Terms
- a(0) =129a(1) =1109a(2) =9597a(3) =82814a(4) =713769a(5) =6151051a(6) =53009570a(7) =456842112a(8) =3937123328a(9) =33930621210a(10) =292418287803
External references
- oeis: A251095