Number of walks of length n on one 60-degree wedge of the equilateral triangular lattice. The walk can go along the walls of the wedge, but cannot cross the walls.

A129400

Number of walks of length n on one 60-degree wedge of the equilateral triangular lattice. The walk can go along the walls of the wedge, but cannot cross the walls.

Terms

    a(0) =1a(1) =2a(2) =8a(3) =32a(4) =144a(5) =672a(6) =3264a(7) =16256a(8) =82688a(9) =427520a(10) =2240512a(11) =11874304a(12) =63533056a(13) =342712320a(14) =1861779456a(15) =10176823296a(16) =55932813312a(17) =308907737088

External references