56751695

Appears in sequences

• a(h) = d(h,j) = lcm( f(h,j,1) ... f(h,j,h) ), when j=3.at n=7A098135
• Squarefree k such that phi(k)/k - 1/2 is positive and minimal for k with gpf(k) = prime(n).at n=10A325236