a(n) = n - A354203(sigma(A354202(n))), where A354202 is fully multiplicative with a(p) = A354200(A000720(p)), and A354203 is its left inverse.

A354207

a(n) = n - A354203(sigma(A354202(n))), where A354202 is fully multiplicative with a(p) = A354200(A000720(p)), and A354203 is its left inverse.

Terms

    a(0) =0a(1) =1a(2) =2a(3) =-19a(4) =2a(5) =5a(6) =6a(7) =3a(8) =-2a(9) =7a(10) =9a(11) =-11a(12) =12a(13) =13a(14) =12a(15) =-453a(16) =15a(17) =7a(18) =18a(19) =-49a(20) =20a(21) =20a(22) =22a(23) =19a(24) =-28a(25) =25a(26) =23a(27) =5a(28) =18a(29) =27

External references