T(n,k)=Number of nXk 0..2 arrays with every element equal to some element at offset (-1,-1) (-1,0) (-1,1) (0,-1) (0,1) or (1,0) both plus 1 mod 3 and minus 1 mod 3, with new values introduced in order 0..2.
A277767
T(n,k)=Number of nXk 0..2 arrays with every element equal to some element at offset (-1,-1) (-1,0) (-1,1) (0,-1) (0,1) or (1,0) both plus 1 mod 3 and minus 1 mod 3, with new values introduced in order 0..2.
Terms
- a(0) =0a(1) =0a(2) =0a(3) =0a(4) =1a(5) =0a(6) =0a(7) =4a(8) =2a(9) =0a(10) =0a(11) =18a(12) =17a(13) =14a(14) =0a(15) =0a(16) =80a(17) =204a(18) =330a(19) =56a(20) =0a(21) =0a(22) =356a(23) =1989a(24) =9741a(25) =3666a(26) =284a(27) =0a(28) =0a(29) =1584
External references
- oeis: A277767