The number of walks of n steps on the hexagonal lattice that start at the origin and end at the non-adjacent vertex (3/2,sqrt(3)/2).
A337907
The number of walks of n steps on the hexagonal lattice that start at the origin and end at the non-adjacent vertex (3/2,sqrt(3)/2).
Terms
- a(0) =2a(1) =6a(2) =48a(3) =220a(4) =1320a(5) =6930a(6) =39200a(7) =215208a(8) =1208340a(9) =6754440a(10) =38076192a(11) =214939296a(12) =1218641424a(13) =6925848930a(14) =39477746880a(15) =225542306704
External references
- oeis: A337907