Number of (n+1)X(5+1) 0..2 arrays with every 2X2 subblock diagonal maximum plus antidiagonal minimum unequal to its neighbors horizontally, vertically and ne+sw antidiagonally.
A253404
Number of (n+1)X(5+1) 0..2 arrays with every 2X2 subblock diagonal maximum plus antidiagonal minimum unequal to its neighbors horizontally, vertically and ne+sw antidiagonally.
Terms
- a(0) =106540a(1) =158472a(2) =367348a(3) =1739014a(4) =7257328a(5) =30756372a(6) =139685535a(7) =611083732a(8) =2505801666a(9) =11760240950a(10) =51156497409a(11) =209639338350a(12) =979215293850
External references
- oeis: A253404