Number of n-step self-avoiding paths on the first octant of a 3-dimensional cubic lattice, starting at the origin.

A039648

Number of n-step self-avoiding paths on the first octant of a 3-dimensional cubic lattice, starting at the origin.

Terms

    a(0) =1a(1) =3a(2) =9a(3) =33a(4) =123a(5) =489a(6) =1947a(7) =7977a(8) =32817a(9) =137253a(10) =576993a(11) =2452071a(12) =10468245a(13) =45032733a(14) =194475321a(15) =844608567a(16) =3680153043a(17) =16105438515a(18) =70677344403a(19) =311242931097

External references