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), (0, 0, 1), (0, 1, -1), (0, 1, 0), (1, 0, 0)}.
A151058
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), (0, 0, 1), (0, 1, -1), (0, 1, 0), (1, 0, 0)}.
Terms
- a(0) =1a(1) =3a(2) =10a(3) =37a(4) =149a(5) =628a(6) =2721a(7) =12059a(8) =54409a(9) =248727a(10) =1148931a(11) =5353961a(12) =25129496a(13) =118650474a(14) =563062546a(15) =2683730824a(16) =12839509507a(17) =61627255892a(18) =296648310192
External references
- oeis: A151058