T(n,k)=Number of nXk 0..2 arrays with each element equal to either the sum mod 3 of its horizontal and vertical neighbors or the sum mod 3 of its diagonal and antidiagonal neighbors.
A183526
T(n,k)=Number of nXk 0..2 arrays with each element equal to either the sum mod 3 of its horizontal and vertical neighbors or the sum mod 3 of its diagonal and antidiagonal neighbors.
Terms
- a(0) =1a(1) =3a(2) =3a(3) =5a(4) =9a(5) =5a(6) =7a(7) =31a(8) =31a(9) =7a(10) =13a(11) =95a(12) =101a(13) =95a(14) =13a(15) =23a(16) =309a(17) =543a(18) =543a(19) =309a(20) =23a(21) =37a(22) =911a(23) =2233a(24) =3507a(25) =2233a(26) =911a(27) =37a(28) =63a(29) =2803
External references
- oeis: A183526