82665

Appears in sequences

• Numbers k such that sigma(k) - k = k - pi(k) - 1 where pi(k) is A000720.at n=12A048884
• Number of partitions of n with positive rank.at n=48A064173
• 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), (0, 0, -1), (1, -1, 1), (1, 1, 1)}.at n=9A149670
• a(0)=1, a(n) = least k > a(n-1) such that k*a(n-1) is a triangular number.at n=27A213005