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, 0), (1, 0, 0), (1, 1, 0)}.
A151059
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, 0), (1, 0, 0), (1, 1, 0)}.
Terms
- a(0) =1a(1) =3a(2) =10a(3) =38a(4) =151a(5) =625a(6) =2675a(7) =11697a(8) =52043a(9) =234891a(10) =1072130a(11) =4939000a(12) =22930993a(13) =107169943a(14) =503692524a(15) =2378872670a(16) =11282929599a(17) =53714328463a(18) =256558536980
External references
- oeis: A151059