T(n,k)=Number of nXk 0..3 arrays with every element equal to either the sum mod 4 of its vertical neighbors or the sum mod 4 of its horizontal neighbors.
A183492
T(n,k)=Number of nXk 0..3 arrays with every element equal to either the sum mod 4 of its vertical neighbors or the sum mod 4 of its horizontal neighbors.
Terms
- a(0) =1a(1) =4a(2) =4a(3) =7a(4) =28a(5) =7a(6) =10a(7) =88a(8) =88a(9) =10a(10) =22a(11) =400a(12) =281a(13) =400a(14) =22a(15) =43a(16) =1936a(17) =1859a(18) =1859a(19) =1936a(20) =43a(21) =73a(22) =8368a(23) =13246a(24) =17260a(25) =13246a(26) =8368a(27) =73a(28) =139a(29) =38272
External references
- oeis: A183492