Nonsquarefree numbers n such that phi(n) = phi(n-2)-phi(n-1), where phi is Euler's totient function.

A066359

Nonsquarefree numbers n such that phi(n) = phi(n-2)-phi(n-1), where phi is Euler's totient function.

Terms

    a(0) =46795a(1) =78183a(2) =112995a(3) =1986975a(4) =2411175a(5) =2689695a(6) =2744145a(7) =3619071a(8) =3712545a(9) =4738185a(10) =8184715a(11) =12176109a(12) =13342959a(13) =26400843a(14) =33789015a(15) =40425645a(16) =61114185a(17) =78464475a(18) =83333565a(19) =167077575a(20) =212066541a(21) =248682015a(22) =326834725a(23) =336828205a(24) =353707705a(25) =391078425a(26) =880254585

External references