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), (0, 1, 0), (0, 1, 1), (1, 0, 0)}.
A151054
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), (0, 1, 0), (0, 1, 1), (1, 0, 0)}.
Terms
- a(0) =1a(1) =3a(2) =10a(3) =37a(4) =144a(5) =587a(6) =2447a(7) =10373a(8) =44719a(9) =194771a(10) =856606a(11) =3796781a(12) =16930030a(13) =75941050a(14) =342197870a(15) =1548306802a(16) =7031912521a(17) =32035828812a(18) =146378354245a(19) =670564647033
External references
- oeis: A151054