Number of n-step spiral self-avoiding walks on hexagonal lattice, where at each step one may continue in same direction or make turn of 2*Pi/3 counterclockwise.
A000511
Number of n-step spiral self-avoiding walks on hexagonal lattice, where at each step one may continue in same direction or make turn of 2*Pi/3 counterclockwise.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =3a(4) =5a(5) =8a(6) =11a(7) =17a(8) =25a(9) =33a(10) =47a(11) =67a(12) =87a(13) =117a(14) =160a(15) =207a(16) =270a(17) =356a(18) =455a(19) =584a(20) =751a(21) =945a(22) =1195a(23) =1513a(24) =1882a(25) =2345a(26) =2927a(27) =3608a(28) =4446a(29) =5483
External references
- oeis: A000511