Rolling icosahedron footprints: number of 2 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.
A223322
Rolling icosahedron footprints: number of 2 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) =12a(1) =125a(2) =1625a(3) =21125a(4) =274625a(5) =3570125a(6) =46411625a(7) =603351125a(8) =7843564625a(9) =101966340125
External references
- oeis: A223322