Number of n X n 0..4 arrays with each element x equal to the number of its horizontal and vertical neighbors equal to 2,0,3,1,4 for x=0,1,2,3,4.
A196281
Number of n X n 0..4 arrays with each element x equal to the number of its horizontal and vertical neighbors equal to 2,0,3,1,4 for x=0,1,2,3,4.
Terms
- a(0) =1a(1) =5a(2) =7a(3) =335a(4) =3621a(5) =193137a(6) =13307143a(7) =3369153109
External references
- oeis: A196281