Number of nX4 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 3,2,1,4,0 for x=0,1,2,3,4.
A197163
Number of nX4 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 3,2,1,4,0 for x=0,1,2,3,4.
Terms
- a(0) =3a(1) =37a(2) =306a(3) =2573a(4) =21826a(5) =183864a(6) =1566649a(7) =13348347a(8) =113287557a(9) =961919858a(10) =8175928275a(11) =69488321244a(12) =590397703542
External references
- oeis: A197163