Denominator of partial sums of a reordered alternating harmonic series.

A262022

Denominator of partial sums of a reordered alternating harmonic series.

Terms

    a(0) =1a(1) =3a(2) =6a(3) =30a(4) =210a(5) =420a(6) =1260a(7) =13860a(8) =13860a(9) =180180a(10) =180180a(11) =360360a(12) =6126120a(13) =116396280a(14) =23279256a(15) =23279256a(16) =535422888a(17) =535422888a(18) =13385572200a(19) =40156716600a(20) =40156716600

External references