Numerators of the partial sums of the reciprocals of the alternating sum of divisors function (A206369).

A379619

Numerators of the partial sums of the reciprocals of the alternating sum of divisors function (A206369).

Terms

    a(0) =1a(1) =2a(2) =5a(3) =17a(4) =37a(5) =43a(6) =15a(7) =79a(8) =573a(9) =152a(10) =311a(11) =484a(12) =657a(13) =2041a(14) =4187a(15) =46897a(16) =94949a(17) =97589a(18) =295847a(19) =300467a(20) =305087a(21) =310631a(22) =313151a(23) =63739a(24) =9181a(25) =9313a(26) =46961a(27) =47401a(28) =333787a(29) =340717

External references