Numbers k for which sigma(k)/k - 3/7 is an integer.

A218410

Numbers k for which sigma(k)/k - 3/7 is an integer.

Terms

    a(0) =840a(1) =55860a(2) =1089270a(3) =3666432a(4) =5322240a(5) =8714160a(6) =10281600a(7) =20109600a(8) =21785400a(9) =32104800a(10) =9904204800a(11) =10334134272

External references