Number of nX7 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 1,4,3,2,0 for x=0,1,2,3,4.
A196928
Number of nX7 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 1,4,3,2,0 for x=0,1,2,3,4.
Terms
- a(0) =1a(1) =1a(2) =13a(3) =99a(4) =833a(5) =6755a(6) =55546a(7) =454787a(8) =3731468a(9) =30604579a(10) =251081964a(11) =2059627509a(12) =16896121515a(13) =138603472792
External references
- oeis: A196928