198457

Appears in sequences

• Numbers k such that sigma(k+1) = 2*phi(k).at n=28A067260
• 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, 0), (-1, 0, 1), (1, 0, 1), (1, 1, -1)}.at n=10A149296