T(n,k)=Number of nXk 0..2 arrays with no average of any element and its diagonal, antidiagonal, horizontal and vertical neighbors equal to one.

A200809

T(n,k)=Number of nXk 0..2 arrays with no average of any element and its diagonal, antidiagonal, horizontal and vertical neighbors equal to one.

Terms

    a(0) =2a(1) =6a(2) =6a(3) =10a(4) =62a(5) =10a(6) =22a(7) =378a(8) =378a(9) =22a(10) =52a(11) =2758a(12) =4420a(13) =2758a(14) =52a(15) =114a(16) =21028a(17) =70534a(18) =70534a(19) =21028a(20) =114a(21) =260a(22) =152410a(23) =1258392a(24) =2869182a(25) =1258392a(26) =152410a(27) =260a(28) =600a(29) =1123856

External references