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, 1, 0), (1, 1, 1)}.
A150966
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, 1, 0), (1, 1, 1)}.
Terms
- a(0) =1a(1) =2a(2) =9a(3) =35a(4) =169a(5) =738a(6) =3629a(7) =16682a(8) =82647a(9) =390196a(10) =1940421a(11) =9306773a(12) =46377697a(13) =224704740a(14) =1121102225a(15) =5469493627a(16) =27308595009a(17) =133886659448a(18) =668792536841
External references
- oeis: A150966