a(n) = numerator of b(n), where b(1)=1, b(n+1) = sum{k=1 to n} {b(n+1-k)/k} ({x} is the fractional part of x).

A128191

a(n) = numerator of b(n), where b(1)=1, b(n+1) = sum{k=1 to n} {b(n+1-k)/k} ({x} is the fractional part of x).

Terms

    a(0) =1a(1) =0a(2) =1a(3) =5a(4) =4a(5) =67a(6) =487a(7) =4553a(8) =4307a(9) =42113a(10) =7657a(11) =2770303a(12) =33997961a(13) =38742337a(14) =583876093a(15) =102330518993a(16) =144962489299a(17) =446086957889

External references