Numerator of the sum of the reciprocals of all square divisors of all positive integers <= n.

Terms

a(0) =1a(1) =2a(2) =3a(3) =17a(4) =21a(5) =25a(6) =29a(7) =17a(8) =173a(9) =191a(10) =209a(11) =463a(12) =499a(13) =535a(14) =571a(15) =2473a(16) =2617a(17) =2777a(18) =2921a(19) =3101a(20) =3245a(21) =3389a(22) =3533a(23) =3713a(24) =96569a(25) =100169a(26) =34723a(27) =36223a(28) =37423a(29) =38623