Numerators of the partial alternating sums of the reciprocals of the sum of bi-unitary divisors function (A188999).

A379617

Numerators of the partial alternating sums of the reciprocals of the sum of bi-unitary divisors function (A188999).

Terms

    a(0) =1a(1) =2a(2) =11a(3) =43a(4) =53a(5) =4a(6) =37a(7) =103a(8) =23a(9) =65a(10) =71a(11) =337a(12) =2539a(13) =1217a(14) =2539a(15) =7337a(16) =7757a(17) =1501a(18) =7883a(19) =7631a(20) =31469a(21) =30629a(22) =31889a(23) =6277a(24) =84625a(25) =82753a(26) =423593a(27) =82753a(28) =426869a(29) =421409

External references