Numbers n such that sigma(n) = m*sigma(n+2) with some m > 1.

Terms

a(0) =8505a(1) =25500a(2) =30360a(3) =37740a(4) =40740a(5) =123795a(6) =141480a(7) =185460a(8) =442365a(9) =485400a(10) =834435a(11) =953568a(12) =1055460a(13) =1097820a(14) =1108320a(15) =1397220a(16) =1953960a(17) =2088480a(18) =2208840a(19) =2571744a(20) =3050784a(21) =3342816a(22) =3544695a(23) =3810456a(24) =4314156a(25) =4725660a(26) =4867236a(27) =5638776a(28) =6318180a(29) =6596340