Rolling icosahedron face footprints: number of n X 5 0..19 arrays starting with 0 where 0..19 label faces of an icosahedron and every array movement to a horizontal, diagonal or antidiagonal neighbor moves across an icosahedral edge.
A223279
Rolling icosahedron face footprints: number of n X 5 0..19 arrays starting with 0 where 0..19 label faces of an icosahedron and every array movement to a horizontal, diagonal or antidiagonal neighbor moves across an icosahedral edge.
Terms
- a(0) =81a(1) =1575a(2) =38457a(3) =1024071a(4) =28271577a(5) =792881031a(6) =22392745881a(7) =634400697159
External references
- oeis: A223279