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

A238930

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

Terms

    a(0) =12a(1) =116a(2) =782a(3) =5008a(4) =34302a(5) =238418a(6) =1646042a(7) =11326068a(8) =77968882a(9) =537049414a(10) =3699270740a(11) =25478998834a(12) =175485675518

External references