a(n) is the denominator of the asymptotic density of numbers whose second smallest prime divisor (A119288) is prime(n).

A342480

a(n) is the denominator of the asymptotic density of numbers whose second smallest prime divisor (A119288) is prime(n).

Terms

    a(0) =1a(1) =6a(2) =10a(3) =15a(4) =1155a(5) =1365a(6) =12155a(7) =1616615a(8) =37182145a(9) =11849255a(10) =33426748355a(11) =247357937827

External references