T(n,k)=Equals two maps: number of nXk binary arrays indicating the locations of corresponding elements equal to exactly two of their king-move neighbors in a random 0..3 nXk array.

A220342

T(n,k)=Equals two maps: number of nXk binary arrays indicating the locations of corresponding elements equal to exactly two of their king-move neighbors in a random 0..3 nXk array.

Terms

    a(0) =1a(1) =1a(2) =1a(3) =2a(4) =5a(5) =2a(6) =4a(7) =24a(8) =24a(9) =4a(10) =7a(11) =89a(12) =355a(13) =89a(14) =7a(15) =12a(16) =389a(17) =3281a(18) =3281a(19) =389a(20) =12a(21) =21a(22) =1570a(23) =28993a(24) =60003a(25) =28993a(26) =1570a(27) =21a(28) =37a(29) =6413

External references