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, 1, -1), (0, 1, 1), (1, 0, -1), (1, 1, 1)}.
A150942
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, 1, -1), (0, 1, 1), (1, 0, -1), (1, 1, 1)}.
Terms
- a(0) =1a(1) =2a(2) =9a(3) =34a(4) =159a(5) =679a(6) =3282a(7) =14840a(8) =72574a(9) =338267a(10) =1664852a(11) =7906892a(12) =39077730a(13) =187834416a(14) =930988407a(15) =4512420506a(16) =22409638576a(17) =109278423048a(18) =543463085071
External references
- oeis: A150942