Rolling icosahedron footprints: number of n X 4 0..11 arrays starting with 0 where 0..11 label vertices of an icosahedron and every array movement to a horizontal, vertical or antidiagonal neighbor moves along an icosahedral edge.
A223182
Rolling icosahedron footprints: number of n X 4 0..11 arrays starting with 0 where 0..11 label vertices of an icosahedron and every array movement to a horizontal, vertical or antidiagonal neighbor moves along an icosahedral edge.
Terms
- a(0) =125a(1) =320a(2) =2080a(3) =14560a(4) =103520a(5) =738720a(6) =5274720a(7) =37664800a(8) =268947680a(9) =1920431520a(10) =13712917600a(11) =97917648160a(12) =699184991200
External references
- oeis: A223182