85632

Appears in sequences

• Numbers n such that phi(n) + sigma(n) = 3n.at n=4A011251
• Nonprimes k that divide sigma(k) + phi(k).at n=7A011774
• Numerator of I(n) = Integral_{x=0 to 1/3} (1+x^2)^n dx.at n=3A091993
• Numbers of the form 2^(k+2)*3*(7*2^k-1) where 7*2^k-1 is prime.at n=1A112729