1100385

Appears in sequences

• Odd sides belonging to multiple primitive Euler bricks.at n=9A211133
• Number of transitive relations on an n-set with exactly two ordered pairs.at n=39A349919
• Numbers k such that k and k+1 are both products of 2 triangular numbers.at n=33A356748
• Lesser of a pair of amicable numbers k < m such that s(k) = m and s(m) = k, where s(k) = A162296(k) - k is the sum of aliquot divisors of k that have a square factor.at n=20A357495