T(n,k)=Number of nXk 0..2 arrays with each element equal to either the maximum or the minimum of its horizontal and vertical neighbors.

A183554

T(n,k)=Number of nXk 0..2 arrays with each element equal to either the maximum or the minimum of its horizontal and vertical neighbors.

Terms

    a(0) =0a(1) =3a(2) =3a(3) =3a(4) =15a(5) =3a(6) =9a(7) =71a(8) =71a(9) =9a(10) =15a(11) =299a(12) =583a(13) =299a(14) =15a(15) =33a(16) =1325a(17) =5287a(18) =5287a(19) =1325a(20) =33a(21) =63a(22) =5845a(23) =46841a(24) =95101a(25) =46841a(26) =5845a(27) =63a(28) =129a(29) =25785

External references