Numerators of the difference between the squarefree totient analogs of the harmonic numbers and the harmonic numbers: F_n-H_n.

A138320

Numerators of the difference between the squarefree totient analogs of the harmonic numbers and the harmonic numbers: F_n-H_n.

Terms

    a(0) =0a(1) =1a(2) =2a(3) =5a(4) =7a(5) =4a(6) =173a(7) =587a(8) =1481a(9) =1859a(10) =20701a(11) =18391a(12) =241393a(13) =275713a(14) =148367a(15) =548423a(16) =2342059a(17) =241321a(18) =41436061a(19) =19263077a(20) =40604659a(21) =43779103a(22) =1009564739a(23) =1907583043a(24) =9002492327a(25) =9603126977a(26) =27322095131a(27) =25887926681a(28) =752184042199

External references