T(n,k)=Number of nXk 0..2 arrays with no element equal to the sum modulo 3 of elements to its left or elements above it.

A238726

T(n,k)=Number of nXk 0..2 arrays with no element equal to the sum modulo 3 of elements to its left or elements above it.

Terms

    a(0) =2a(1) =2a(2) =2a(3) =4a(4) =4a(5) =4a(6) =4a(7) =10a(8) =10a(9) =4a(10) =8a(11) =16a(12) =40a(13) =16a(14) =8a(15) =8a(16) =42a(17) =86a(18) =86a(19) =42a(20) =8a(21) =16a(22) =64a(23) =336a(24) =284a(25) =336a(26) =64a(27) =16a(28) =16a(29) =170

External references