Number of n X n 0..4 arrays with each element x equal to the number of its horizontal and vertical neighbors equal to 2,0,4,1,3 for x=0,1,2,3,4.
A196309
Number of n X n 0..4 arrays with each element x equal to the number of its horizontal and vertical neighbors equal to 2,0,4,1,3 for x=0,1,2,3,4.
Terms
- a(0) =1a(1) =5a(2) =7a(3) =335a(4) =3349a(5) =184217a(6) =11575179a(7) =2915102103a(8) =766706823953
External references
- oeis: A196309