90195

Appears in sequences

• Numbers k such that phi(k) = phi(k-2) - phi(k-1).at n=6A066232
• Number of strings of numbers x(i=1..5) in 0..n with sum i^2*x(i) equal to n*25.at n=37A183956
• Numbers n such that phi(n) = phi(n+11), with Euler's totient function phi = A000010.at n=39A276504