Product of numerator and denominator of the n-th harmonic number, 1 + 1/2 + 1/3 +...+ 1/n.

A064167

Product of numerator and denominator of the n-th harmonic number, 1 + 1/2 + 1/3 +...+ 1/n.

Terms

    a(0) =1a(1) =6a(2) =66a(3) =300a(4) =8220a(5) =980a(6) =50820a(7) =213080a(8) =17965080a(9) =18600120a(10) =2320468920a(11) =2384502120a(12) =412970037480a(13) =422245703880a(14) =430902992520

External references