Rolling icosahedron footprints: number of n X 3 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.
A223258
Rolling icosahedron footprints: number of n X 3 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) =25a(1) =845a(2) =28885a(3) =988625a(4) =33841585a(5) =1158447605a(6) =39655444525
External references
- oeis: A223258