Number of undirected walks of length n+1 on an oriented triangle, visiting n+2 vertices, with n "corners"; the symmetry group is C3. Walks are not self-avoiding.
A051437
Number of undirected walks of length n+1 on an oriented triangle, visiting n+2 vertices, with n "corners"; the symmetry group is C3. Walks are not self-avoiding.
Terms
- a(0) =1a(1) =3a(2) =4a(3) =10a(4) =16a(5) =36a(6) =64a(7) =136a(8) =256a(9) =528a(10) =1024a(11) =2080a(12) =4096a(13) =8256a(14) =16384a(15) =32896a(16) =65536a(17) =131328a(18) =262144a(19) =524800a(20) =1048576a(21) =2098176a(22) =4194304a(23) =8390656a(24) =16777216a(25) =33558528a(26) =67108864a(27) =134225920a(28) =268435456a(29) =536887296
External references
- oeis: A051437