Number of nX5 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 1,4,2,0,3 for x=0,1,2,3,4.
A196638
Number of nX5 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 1,4,2,0,3 for x=0,1,2,3,4.
Terms
- a(0) =1a(1) =26a(2) =232a(3) =1927a(4) =17518a(5) =154629a(6) =1359317a(7) =12023695a(8) =106039299a(9) =936657625a(10) =8268804393a(11) =72998302818a(12) =644487244986
External references
- oeis: A196638