Number of different walks generated by n steps that can only go in {east, southeast, southwest} directions on the 300-degree wedge in a 60-degree equilateral triangular lattice.
A129703
Number of different walks generated by n steps that can only go in {east, southeast, southwest} directions on the 300-degree wedge in a 60-degree equilateral triangular lattice.
Terms
- a(0) =1a(1) =3a(2) =6a(3) =14a(4) =36a(5) =97a(6) =268a(7) =751a(8) =2124a(9) =6047a(10) =17304a(11) =49722a(12) =143366a(13) =414585a(14) =1201918a(15) =3492118a(16) =10165780a(17) =29643871a(18) =86574832a(19) =253188112a(20) =741365050a(21) =2173243129a(22) =6377181826a(23) =18730782253a(24) =55062586342a(25) =161995031227a(26) =476941691178
External references
- oeis: A129703