30761

Appears in sequences

• Least non-balanced x (i.e., not in A020492) such that sigma(2n-1,x)/phi(x) is an integer.at n=49A078539
• Least non-balanced x (i.e., not in A020492) such that sigma(p(n),x)/phi(x) is an integer, where p(n) = n-th prime.at n=25A078540
• Number of integers in n-th generation of tree T(3^(-1/2)) defined in Comments.at n=50A274157