79520

Appears in sequences

• Surround numbers of an n X 2 rectangle when n is even.at n=12A061524
• Numbers k such that lcm(1,2,3,...,k)/17 equals the denominator of the k-th harmonic number H(k).at n=30A112820
• Number of overcompositions of n.at n=14A236002
• Numbers k such that 11^phi(k) == 1 (mod k^2), where phi(k) = A000010(k).at n=26A253016