Beginning with 3, a(i)*a(j) + 2 is prime for all i, j, i<>j.

A083518

Beginning with 3, a(i)*a(j) + 2 is prime for all i, j, i<>j.

Terms

    a(0) =3a(1) =5a(2) =7a(3) =27a(4) =45a(5) =495a(6) =3615a(7) =16695a(8) =533445a(9) =832305a(10) =122789427a(11) =8705408757a(12) =77597861913

External references