Numbers k such that prime(k+1)-(k+1)*tau(k+1) = prime(k-1)-(k-1)*tau(k-1) where tau(k) = A000005(k) is the number of divisors of k.

A067335

Numbers k such that prime(k+1)-(k+1)*tau(k+1) = prime(k-1)-(k-1)*tau(k-1) where tau(k) = A000005(k) is the number of divisors of k.

Terms

    a(0) =202a(1) =216a(2) =471a(3) =583a(4) =816a(5) =850a(6) =894a(7) =905a(8) =922a(9) =1277a(10) =1335a(11) =1386a(12) =1594a(13) =1712a(14) =1774a(15) =1942a(16) =1958a(17) =2554a(18) =2760a(19) =2777a(20) =2840a(21) =2876a(22) =2934a(23) =2944a(24) =3132a(25) =3438a(26) =3566a(27) =3694a(28) =3900a(29) =3980

External references