T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with the maximum minus the minimum of every 2X2 subblock equal.

A237945

T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with the maximum minus the minimum of every 2X2 subblock equal.

Terms

    a(0) =81a(1) =437a(2) =437a(3) =2417a(4) =5519a(5) =2417a(6) =13893a(7) =70435a(8) =70435a(9) =13893a(10) =81245a(11) =946063a(12) =2020033a(13) =946063a(14) =81245a(15) =482409a(16) =12909207a(17) =61286941a(18) =61286941a(19) =12909207a(20) =482409a(21) =2893685a(22) =178348911a(23) =1871339377a(24) =4202495253a(25) =1871339377a(26) =178348911a(27) =2893685a(28) =17487137

External references