Numerators of the partial sums of the reciprocals of the squarefree kernel function (A007947).

Terms

a(0) =1a(1) =3a(2) =11a(3) =7a(4) =38a(5) =27a(6) =199a(7) =117a(8) =386a(9) =793a(10) =8933a(11) =1553a(12) =20574a(13) =41863a(14) =127591a(15) =71303a(16) =1227166a(17) =2539417a(18) =48759433a(19) =24864701a(20) =25095646a(21) =50632187a(22) =1174239991a(23) =605711068a(24) =125604071a(25) =252924241a(26) =267797099a(27) =19356010a(28) =564511331a(29) =1891973791