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, 1), (-1, 1, -1), (0, 1, 1), (1, 0, 0), (1, 0, 1)}.
A151083
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, 1), (-1, 1, -1), (0, 1, 1), (1, 0, 0), (1, 0, 1)}.
Terms
- a(0) =1a(1) =3a(2) =10a(3) =41a(4) =173a(5) =759a(6) =3406a(7) =15618a(8) =72354a(9) =338120a(10) =1594023a(11) =7562099a(12) =36031901a(13) =172424727a(14) =828339131a(15) =3990698554a(16) =19274402605a(17) =93318527436a(18) =452731903409
External references
- oeis: A151083