Numbers k such that prime(k+2)-(k+2)*tau(k+2) = prime(k-2)-(k-2)*tau(k-2) where tau(k) = A000005(k) is the number of divisors of k.

A067354

Numbers k such that prime(k+2)-(k+2)*tau(k+2) = prime(k-2)-(k-2)*tau(k-2) where tau(k) = A000005(k) is the number of divisors of k.

Terms

    a(0) =3a(1) =8a(2) =30a(3) =68a(4) =277a(5) =600a(6) =1444a(7) =2123a(8) =3128a(9) =3230a(10) =3672a(11) =3783a(12) =4441a(13) =5016a(14) =5052a(15) =5144a(16) =5304a(17) =5665a(18) =6353a(19) =6468a(20) =6513a(21) =6588a(22) =6772a(23) =6983a(24) =7044a(25) =7087a(26) =8392a(27) =8418a(28) =8632a(29) =8866

External references