666995

Appears in sequences

• Numbers n such that n and n+1 have 5 distinct prime factors.at n=25A140079
• 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), (0, 1, 1), (1, -1, 0), (1, 0, -1)}.at n=12A148924
• Numbers k such that k and k+1 each have at least 5 distinct prime factors.at n=25A321505