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), (-1, 0, 1), (1, -1, 1), (1, 0, 0), (1, 1, 0)}.
A150362
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), (-1, 0, 1), (1, -1, 1), (1, 0, 0), (1, 1, 0)}.
Terms
- a(0) =1a(1) =2a(2) =7a(3) =23a(4) =92a(5) =359a(6) =1519a(7) =6276a(8) =27364a(9) =117440a(10) =521307a(11) =2285792a(12) =10273806a(13) =45763928a(14) =207502571a(15) =934410801a(16) =4265733559a(17) =19371739399a(18) =88900966371a(19) =406332773092
External references
- oeis: A150362