336837

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, 0, 0), (-1, 0, 1), (0, 0, -1), (0, 1, 1), (1, -1, 1)}.at n=11A148964
• a(n) = 2*n*(1 + n + n^2 + n^3) - 3.at n=20A155121
• Number of integer compositions of n that are the first sums of a unique composition.at n=35A391644