516242

Appears in sequences

• Numbers of the form 12*k + 2 with nonempty inverse totient set.at n=35A063668
• Numbers k such that phi(k) + phi(k+1) = k+2.at n=36A067797
• a(n) = a(n-1) + 5*a(n-2) for n >= 2, a(0)=1, a(1)=2.at n=13A133407