Denominator of Sum_{k=1..n} 1/(prime(k) - 1)^2.

A334746

Denominator of Sum_{k=1..n} 1/(prime(k) - 1)^2.

Terms

    a(0) =1a(1) =4a(2) =16a(3) =144a(4) =3600a(5) =1800a(6) =57600a(7) =518400a(8) =62726400a(9) =3073593600a(10) =614718720a(11) =614718720a(12) =3073593600a(13) =3073593600

External references