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

A379622

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

Terms

    a(0) =1a(1) =1a(2) =2a(3) =6a(4) =12a(5) =12a(6) =12a(7) =60a(8) =420a(9) =210a(10) =105a(11) =210a(12) =140a(13) =420a(14) =840a(15) =9240a(16) =18480a(17) =2640a(18) =7920a(19) =7920a(20) =7920a(21) =7920a(22) =7920a(23) =7920a(24) =55440a(25) =55440a(26) =11088a(27) =3696a(28) =528a(29) =528

External references