106326

Appears in sequences

• Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 13.at n=28A031691
• Number of ways of having a total of n coins in your two pockets (each of them either a penny, a nickel, a dime, or a quarter), so that the amounts in the pockets are identical.at n=38A323825
• a(n) = Sum_{k=1..n} phi(k)*phi(k+1)*phi(k+2), where phi(k) = A000010(k) is Euler's totient function.at n=36A335131