a(n) = (A006134((prime(n)-1)/2) - Legendre(prime(n), 3))/prime(n).

A320624

a(n) = (A006134((prime(n)-1)/2) - Legendre(prime(n), 3))/prime(n).

Terms

    a(0) =1a(1) =2a(2) =4a(3) =32a(4) =98a(5) =1034a(6) =3484a(7) =41582a(8) =1868198a(9) =6751460a(10) =330246410a(11) =4522217312a(12) =16829506610a(13) =235344648416

External references