Numerators of the partial alternating sums of the reciprocals of the powerful part function (A057521).

A379585

Numerators of the partial alternating sums of the reciprocals of the powerful part function (A057521).

Terms

    a(0) =1a(1) =0a(2) =1a(3) =3a(4) =7a(5) =3a(6) =7a(7) =13a(8) =125a(9) =53a(10) =125a(11) =107a(12) =179a(13) =107a(14) =179a(15) =349a(16) =493a(17) =53a(18) =69a(19) =65a(20) =81a(21) =65a(22) =81a(23) =79a(24) =1991a(25) =1591a(26) =43357a(27) =40657a(28) =51457a(29) =40657

External references