Number of primes in the interval [prime(n), prime(n)^2].

Terms

a(0) =2a(1) =3a(2) =7a(3) =12a(4) =26a(5) =34a(6) =55a(7) =65a(8) =91a(9) =137a(10) =152a(11) =208a(12) =251a(13) =270a(14) =315a(15) =394a(16) =471a(17) =502a(18) =591a(19) =656a(20) =685a(21) =790a(22) =864a(23) =977a(24) =1139a(25) =1227a(26) =1268a(27) =1354a(28) =1395a(29) =1494