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), (-1, 1, -1), (0, 0, -1), (1, 0, 1), (1, 1, 0)}.
A150353
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), (-1, 1, -1), (0, 0, -1), (1, 0, 1), (1, 1, 0)}.
Terms
- a(0) =1a(1) =2a(2) =7a(3) =23a(4) =91a(5) =347a(6) =1442a(7) =5894a(8) =25150a(9) =106929a(10) =464604a(11) =2024694a(12) =8920718a(13) =39510929a(14) =176050433a(15) =788543981a(16) =3545985466a(17) =16014601115a(18) =72557398924a(19) =329816790773
External references
- oeis: A150353