Number of 5k+2 primes (A030432) in range [2^n,2^(n+1)].

Terms

a(0) =0a(1) =1a(2) =0a(3) =1a(4) =2a(5) =4a(6) =5a(7) =11a(8) =22a(9) =33a(10) =65a(11) =117a(12) =220a(13) =404a(14) =762a(15) =1422a(16) =2693a(17) =5123a(18) =9634a(19) =18409a(20) =35112a(21) =67061a(22) =128302a(23) =246706a(24) =473477a(25) =911557a(26) =1756669a(27) =3390509a(28) =6552186a(29) =12674857