T(n,k)=Number of nXk 0..4 arrays with each element x equal to the number of its horizontal and vertical neighbors equal to 0,1,1,0,0 for x=0,1,2,3,4.
A197317
T(n,k)=Number of nXk 0..4 arrays with each element x equal to the number of its horizontal and vertical neighbors equal to 0,1,1,0,0 for x=0,1,2,3,4.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =2a(4) =0a(5) =2a(6) =1a(7) =3a(8) =3a(9) =1a(10) =2a(11) =2a(12) =5a(13) =2a(14) =2a(15) =4a(16) =9a(17) =10a(18) =10a(19) =9a(20) =4a(21) =2a(22) =6a(23) =128a(24) =160a(25) =128a(26) =6a(27) =2a(28) =4a(29) =27
External references
- oeis: A197317