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)}.
A151114
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) =3a(2) =11a(3) =45a(4) =191a(5) =847a(6) =3822a(7) =17578a(8) =81724a(9) =383678a(10) =1814084a(11) =8628020a(12) =41233524a(13) =197843539a(14) =952505054a(15) =4598984875a(16) =22260818412a(17) =107984125633a(18) =524813929581
External references
- oeis: A151114