Number of closed walks of length n along the edges of an icosahedron based at a vertex.
A054884
Number of closed walks of length n along the edges of an icosahedron based at a vertex.
Terms
- a(0) =1a(1) =0a(2) =5a(3) =10a(4) =65a(5) =260a(6) =1365a(7) =6510a(8) =32865a(9) =162760a(10) =815365a(11) =4069010a(12) =20352865a(13) =101725260a(14) =508665365a(15) =2543131510a(16) =12715852865a(17) =63578287760a(18) =317892415365
External references
- oeis: A054884