Sum of proper divisors minus the number of proper divisors of n!.

A153825

Sum of proper divisors minus the number of proper divisors of n!.

Terms

    a(0) =0a(1) =0a(2) =0a(3) =3a(4) =29a(5) =225a(6) =1669a(7) =14245a(8) =118705a(9) =1118001a(10) =11705019a(11) =144091717a(12) =1738439017a(13) =24817157329a(14) =355309322689

External references