T(n,k)=Number of nXk arrays of the minimum value of corresponding elements and their horizontal, vertical or antidiagonal neighbors in a random 0..3 nXk array.

A218651

T(n,k)=Number of nXk arrays of the minimum value of corresponding elements and their horizontal, vertical or antidiagonal neighbors in a random 0..3 nXk array.

Terms

    a(0) =4a(1) =4a(2) =4a(3) =16a(4) =16a(5) =16a(6) =36a(7) =66a(8) =66a(9) =36a(10) =94a(11) =292a(12) =610a(13) =292a(14) =94a(15) =236a(16) =1280a(17) =4946a(18) =4946a(19) =1280a(20) =236a(21) =602a(22) =5644a(23) =44712a(24) =82188a(25) =44712a(26) =5644a(27) =602a(28) =1528a(29) =24782

External references