a(n) = denominator of AM(n)-HM(n), where AM(n) and HM(n) are the arithmetic and harmonic means of the first n positive integers.

A368373

a(n) = denominator of AM(n)-HM(n), where AM(n) and HM(n) are the arithmetic and harmonic means of the first n positive integers.

Terms

    a(0) =1a(1) =6a(2) =11a(3) =50a(4) =137a(5) =98a(6) =363a(7) =1522a(8) =7129a(9) =14762a(10) =83711a(11) =172042a(12) =1145993a(13) =2343466a(14) =1195757a(15) =4873118a(16) =42142223a(17) =28548602a(18) =275295799a(19) =22334054a(20) =18858053a(21) =38186394a(22) =444316699a(23) =2695645910a(24) =34052522467a(25) =68791484534a(26) =312536252003a(27) =630809177806

External references