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), (0, 1, 1), (1, -1, 1), (1, 1, -1)}.
A149057
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), (0, 1, 1), (1, -1, 1), (1, 1, -1)}.
Terms
- a(0) =1a(1) =1a(2) =3a(3) =10a(4) =41a(5) =158a(6) =703a(7) =2966a(8) =13622a(9) =60295a(10) =282385a(11) =1285337a(12) =6097884a(13) =28283284a(14) =135373026a(15) =636175260a(16) =3064466767a(17) =14540133618a(18) =70377730620a(19) =336373997612
External references
- oeis: A149057