Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 0), (-1, 1, -1), (1, 0, 0), (1, 0, 1), (1, 1, 0)}.
A151100
Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 0), (-1, 1, -1), (1, 0, 0), (1, 0, 1), (1, 1, 0)}.
Terms
- a(0) =1a(1) =3a(2) =11a(3) =43a(4) =182a(5) =783a(6) =3498a(7) =15732a(8) =72351a(9) =333779a(10) =1562617a(11) =7327464a(12) =34715725a(13) =164627999a(14) =786629414a(15) =3760854191a(16) =18084444360a(17) =86994234392a(18) =420369148831
External references
- oeis: A151100