Dirichlet inverse of A342671, the greatest common divisor of sigma(n) and A003961(n), where A003961 is fully multiplicative with a(p) = nextprime(p).

A355828

Dirichlet inverse of A342671, the greatest common divisor of sigma(n) and A003961(n), where A003961 is fully multiplicative with a(p) = nextprime(p).

Terms

    a(0) =1a(1) =-3a(2) =-1a(3) =8a(4) =-1a(5) =3a(6) =-1a(7) =-24a(8) =0a(9) =3a(10) =-1a(11) =-8a(12) =-1a(13) =3a(14) =1a(15) =72a(16) =-1a(17) =0a(18) =-1a(19) =-28a(20) =1a(21) =3a(22) =-1a(23) =12a(24) =0a(25) =3a(26) =-4a(27) =-8a(28) =-1a(29) =-3

External references