Dirichlet inverse of A341528, where A341528(n) = n * sigma(A003961(n)), and A003961 is fully multiplicative with a(prime(i)) = prime(i+1).

A378228

Dirichlet inverse of A341528, where A341528(n) = n * sigma(A003961(n)), and A003961 is fully multiplicative with a(prime(i)) = prime(i+1).

Terms

    a(0) =1a(1) =-8a(2) =-18a(3) =12a(4) =-40a(5) =144a(6) =-84a(7) =0a(8) =45a(9) =320a(10) =-154a(11) =-216a(12) =-234a(13) =672a(14) =720a(15) =0a(16) =-340a(17) =-360a(18) =-456a(19) =-480a(20) =1512a(21) =1232a(22) =-690a(23) =0a(24) =175a(25) =1872a(26) =0a(27) =-1008a(28) =-928a(29) =-5760

External references