T(n,k)=Number of nXk 0..2 arrays with every element equal to either the sum mod 3 of its vertical neighbors or the sum mod 3 of its horizontal neighbors.
A183483
T(n,k)=Number of nXk 0..2 arrays with every element equal to either the sum mod 3 of its vertical neighbors or the sum mod 3 of its horizontal neighbors.
Terms
- a(0) =1a(1) =3a(2) =3a(3) =5a(4) =15a(5) =5a(6) =7a(7) =39a(8) =39a(9) =7a(10) =13a(11) =135a(12) =117a(13) =135a(14) =13a(15) =23a(16) =495a(17) =587a(18) =587a(19) =495a(20) =23a(21) =37a(22) =1647a(23) =2925a(24) =4015a(25) =2925a(26) =1647a(27) =37a(28) =63a(29) =5751
External references
- oeis: A183483