T(n,k)=Number of nXk arrays of the minimum value of corresponding elements and their horizontal and vertical neighbors in a random 0..2 nXk array.

A217457

T(n,k)=Number of nXk arrays of the minimum value of corresponding elements and their horizontal and vertical neighbors in a random 0..2 nXk array.

Terms

    a(0) =3a(1) =3a(2) =3a(3) =9a(4) =15a(5) =9a(6) =17a(7) =69a(8) =69a(9) =17a(10) =37a(11) =253a(12) =613a(13) =253a(14) =37a(15) =77a(16) =1049a(17) =4361a(18) =4361a(19) =1049a(20) =77a(21) =163a(22) =4205a(23) =35067a(24) =60821a(25) =35067a(26) =4205a(27) =163a(28) =343a(29) =16887

External references