T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with no element greater than all horizontal neighbors or less than all vertical neighbors.

A238323

T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with no element greater than all horizontal neighbors or less than all vertical neighbors.

Terms

    a(0) =3a(1) =9a(2) =9a(3) =22a(4) =67a(5) =22a(6) =51a(7) =376a(8) =376a(9) =51a(10) =121a(11) =1867a(12) =4294a(13) =1867a(14) =121a(15) =292a(16) =9489a(17) =41046a(18) =41046a(19) =9489a(20) =292a(21) =704a(22) =50232a(23) =405636a(24) =721939a(25) =405636a(26) =50232a(27) =704a(28) =1691a(29) =267174

External references