Numerators of the partial sums of the reciprocals of the Dedekind psi function (A001615).

Terms

a(0) =1a(1) =4a(2) =19a(3) =7a(4) =23a(5) =2a(6) =17a(7) =53a(8) =55a(9) =169a(10) =175a(11) =89a(12) =641a(13) =1303a(14) =331a(15) =1345a(16) =1373a(17) =1387a(18) =7061a(19) =2377a(20) =9613a(21) =29119a(22) =29539a(23) =29749a(24) =6017a(25) =6065a(26) =6121a(27) =6163a(28) =31151a(29) =31291