a(n) = A364557(n) - A000010(n), where A364557 is the Möbius transform of A005941, and A000010 (Euler phi) is the Möbius transform of A000027.

A364558

a(n) = A364557(n) - A000010(n), where A364557 is the Möbius transform of A005941, and A000010 (Euler phi) is the Möbius transform of A000027.

Terms

    a(0) =0a(1) =0a(2) =0a(3) =0a(4) =0a(5) =0a(6) =2a(7) =0a(8) =-2a(9) =0a(10) =6a(11) =0a(12) =20a(13) =2a(14) =-4a(15) =0a(16) =48a(17) =-2a(18) =110a(19) =0a(20) =-4a(21) =6a(22) =234a(23) =0a(24) =-12a(25) =20a(26) =-10a(27) =4a(28) =484a(29) =-4

External references