Denominator of next-best approximation to harmonic numbers. a(n) = Denominator of (A055573(n)-1)th convergent of n-th harmonic number, Sum_{k=1..n} 1/k.
A113124
Denominator of next-best approximation to harmonic numbers. a(n) = Denominator of (A055573(n)-1)th convergent of n-th harmonic number, Sum_{k=1..n} 1/k.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =7a(5) =9a(6) =27a(7) =39a(8) =649a(9) =901a(10) =4729a(11) =6821a(12) =52783a(13) =27043a(14) =51067a(15) =273281a(16) =1043807a(17) =271979a(18) =11378119a(19) =6452207a(20) =141997a(21) =377141a(22) =42943389a(23) =58933037a(24) =2653340203a(25) =1122077597a(26) =21027833867a(27) =18159496967a(29) =236529224117
External references
- oeis: A113124