Number of (n+2)X(1+2) 0..1 arrays with every 3X3 subblock diagonal maximum plus antidiagonal maximum nondecreasing horizontally and vertically.
A253978
Number of (n+2)X(1+2) 0..1 arrays with every 3X3 subblock diagonal maximum plus antidiagonal maximum nondecreasing horizontally and vertically.
Terms
- a(0) =512a(1) =3372a(2) =21304a(3) =136868a(4) =881432a(5) =5659548a(6) =36317408a(7) =233116252a(8) =1496407920a(9) =9605229252a(10) =61654061624a(11) =395747083364
External references
- oeis: A253978