Number of nX7 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 3,3,0,1,1 for x=0,1,2,3,4.
A197895
Number of nX7 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 3,3,0,1,1 for x=0,1,2,3,4.
Terms
- a(0) =13a(1) =465a(2) =12531a(3) =307547a(4) =8668800a(5) =222339185a(6) =5912587870a(7) =157857167179
External references
- oeis: A197895