Rolling icosahedron footprints: number of nX4 0..11 arrays starting with 0 where 0..11 label vertices of an icosahedron and every array movement to a horizontal or vertical neighbor moves along an icosahedral edge.
A223259
Rolling icosahedron footprints: number of nX4 0..11 arrays starting with 0 where 0..11 label vertices of an icosahedron and every array movement to a horizontal or vertical neighbor moves along an icosahedral edge.
Terms
- a(0) =125a(1) =10985a(2) =988625a(3) =89405945a(4) =8093320565a(5) =732779276465
External references
- oeis: A223259