111690

Appears in sequences

• Lexicographically earliest unbounded aliquot-like sequence based on the Dedekind psi function: a(1) = 318, a(n) = t(a(n-1)) where t(k) = A001615(k) - k.at n=27A323328
• Those primitive elements of A337386 that have exactly one primitive nondeficient divisor (A006039).at n=43A341604