a(n) = psi_c(n), where Product_{k>1} 1/(1-1/k^s)^A007897(k) = Sum_{k>0} psi_c(k)/k^s.

A007898

a(n) = psi_c(n), where Product_{k>1} 1/(1-1/k^s)^A007897(k) = Sum_{k>0} psi_c(k)/k^s.

Terms

    a(0) =1a(1) =1a(2) =2a(3) =3a(4) =3a(5) =4a(6) =4a(7) =7a(8) =7a(9) =6a(10) =6a(11) =12a(12) =7a(13) =8a(14) =12a(15) =16a(16) =9a(17) =15a(18) =10a(19) =18a(20) =16a(21) =12a(22) =12a(23) =32a(24) =17a(25) =14a(26) =22a(27) =24a(28) =15a(29) =30

External references