97320

Appears in sequences

• a(n) is the smallest number m such that phi(m)+sigma(m)=n*pi(m).at n=31A145747
• a(n) = 169*n^2 - n.at n=23A157998
• a(n) = 676*n^2 - 2*n.at n=11A158392
• a(n) = 576*n^2 - 24.at n=12A158636
• Numbers k such that k^4096 + (k+1)^4096 is prime.at n=37A274236
• Sequence lists numbers k > 1 such that k^3 == phi(k) (mod sigma(k)), where phi = A000010 and sigma = A000203.at n=5A324215