Divisors of 2^46 - 1.

Terms

a(0) =1a(1) =3a(2) =47a(3) =141a(4) =178481a(5) =535443a(6) =2796203a(7) =8388607a(8) =8388609a(9) =25165821a(10) =131421541a(11) =394264623a(12) =499069107643