Number of (n+1)X(3+1) 0..2 arrays with no element greater than all horizontal neighbors or equal to all vertical neighbors.

A239173

Number of (n+1)X(3+1) 0..2 arrays with no element greater than all horizontal neighbors or equal to all vertical neighbors.

Terms

    a(0) =98a(1) =514a(2) =9604a(3) =130890a(4) =1876940a(5) =26726740a(6) =381984614a(7) =5442841504a(8) =77654661978

External references