T(n,k)=Number of nXk 0..2 arrays x(i,j) with each element horizontally or antidiagonally next to at least one element with value (x(i,j)+1) mod 3, and upper left element zero.

A230614

T(n,k)=Number of nXk 0..2 arrays x(i,j) with each element horizontally or antidiagonally next to at least one element with value (x(i,j)+1) mod 3, and upper left element zero.

Terms

    a(0) =0a(1) =0a(2) =0a(3) =0a(4) =0a(5) =0a(6) =0a(7) =0a(8) =0a(9) =0a(10) =0a(11) =2a(12) =0a(13) =0a(14) =0a(15) =0a(16) =8a(17) =30a(18) =0a(19) =0a(20) =0a(21) =0a(22) =30a(23) =260a(24) =348a(25) =0a(26) =0a(27) =0a(28) =0a(29) =108

External references