Number of (n+2)X(n+2) 0..1 arrays with every 2X2 and 3X3 subblock diagonal maximum minus antidiagonal minimum unequal to its neighbors horizontally and vertically.
A253359
Number of (n+2)X(n+2) 0..1 arrays with every 2X2 and 3X3 subblock diagonal maximum minus antidiagonal minimum unequal to its neighbors horizontally and vertically.
Terms
- a(0) =152a(1) =424a(2) =2992a(3) =8904a(4) =76840a(5) =520888a(6) =3424264a(7) =51091912a(8) =419412744a(9) =7851859992a(10) =129001341576
External references
- oeis: A253359