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), (0, 1, 1), (1, 0, 1), (1, 1, -1), (1, 1, 1)}.
A151232
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), (0, 1, 1), (1, 0, 1), (1, 1, -1), (1, 1, 1)}.
Terms
- a(0) =1a(1) =3a(2) =13a(3) =59a(4) =279a(5) =1341a(6) =6529a(7) =31981a(8) =157601a(9) =778977a(10) =3861201a(11) =19173317a(12) =95347081a(13) =474671533a(14) =2365049859a(15) =11791810723a(16) =58822652725a(17) =293556016993
External references
- oeis: A151232