616889

Appears in sequences

• Odd composites (including 1 in the count) where the number 1 mod 4 equals the number 3 mod 4.at n=28A093180
• 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, 0, 0), (1, -1, 1), (1, 1, -1), (1, 1, 1)}.at n=10A149739