Number of (n+2)X(3+2) 0..1 arrays with every 3X3 subblock diagonal maximum plus antidiagonal median nondecreasing horizontally and vertically.
A253796
Number of (n+2)X(3+2) 0..1 arrays with every 3X3 subblock diagonal maximum plus antidiagonal median nondecreasing horizontally and vertically.
Terms
- a(0) =14096a(1) =162604a(2) =1876256a(3) =19600428a(4) =185592928a(5) =1701188284a(6) =15314952024a(7) =136258761632
External references
- oeis: A253796