51002

Appears in sequences

• 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, 1), (1, 1, 0)}.at n=9A149314
• O.g.f. exp( Sum_{n >= 1} A211419(n)*x^n/n ).at n=4A262738
• Number of positive meanders (walks starting at the origin and ending at any altitude > 0 that never touch or go below the x-axis in between) with n steps from {-3,-2,-1,1,2,3}.at n=7A278395