Number of nX6 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 0,0,1,1,1 for x=0,1,2,3,4.
A197248
Number of nX6 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 0,0,1,1,1 for x=0,1,2,3,4.
Terms
- a(0) =3a(1) =80a(2) =227a(3) =5713a(4) =31276a(5) =405065a(6) =3264225a(7) =29975706a(8) =324191969a(9) =2687575073a(10) =30493965518a(11) =259733680667
External references
- oeis: A197248