Rolling icosahedron footprints: number of 3 X n 0..11 arrays starting with 0 where 0..11 label vertices of an icosahedron and every array movement to a horizontal or antidiagonal neighbor moves along an icosahedral edge.
A223323
Rolling icosahedron footprints: number of 3 X n 0..11 arrays starting with 0 where 0..11 label vertices of an icosahedron and every array movement to a horizontal or antidiagonal neighbor moves along an icosahedral edge.
Terms
- a(0) =144a(1) =3125a(2) =105625a(3) =3570125a(4) =122039125a(5) =4176940625a(6) =142980696625
External references
- oeis: A223323