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, 0, 1), (0, 1, 0), (1, 0, -1), (1, 0, 1), (1, 1, 1)}.
A151233
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, 0, 1), (0, 1, 0), (1, 0, -1), (1, 0, 1), (1, 1, 1)}.
Terms
- a(0) =1a(1) =3a(2) =13a(3) =59a(4) =281a(5) =1355a(6) =6613a(7) =32467a(8) =160177a(9) =792707a(10) =3932477a(11) =19541707a(12) =97236105a(13) =484307099a(14) =2414051237a(15) =12040104643a(16) =60078296865a(17) =299892993619
External references
- oeis: A151233