324603

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), (0, 1, -1), (0, 1, 1), (1, 0, 0)}.at n=10A150187
• Number of triangular regions in an equilateral triangular "frame" of size n (see Comments in A328526 for definition).at n=33A333032