Numerators of the partial sums of the reciprocals of Pillai's arithmetical function (A018804).

Terms

a(0) =1a(1) =4a(2) =23a(3) =199a(4) =637a(5) =661a(6) =8953a(7) =9187a(8) =65869a(9) =201247a(10) =205927a(11) =26048a(12) =132697a(13) =134272a(14) =135637a(15) =2190667a(16) =24424937a(17) =3513791a(18) =131554667a(19) =132348317a(20) =133227437a(21) =938941259a(22) =947830139a(23) =190366027a(24) =2947643a(25) =74101331a(26) =223443593a(27) =2916305159a(28) =55809797621a(29) =55978686341