Number of evil primes (A027699) in range ]2^n,2^(n+1)].

Terms

a(0) =1a(1) =1a(2) =0a(3) =3a(4) =2a(5) =5a(6) =4a(7) =23a(8) =27a(9) =62a(10) =95a(11) =222a(12) =367a(13) =777a(14) =1269a(15) =2910a(16) =4859a(17) =10140a(18) =17714a(19) =36714a(20) =66020a(21) =133400a(22) =245959a(23) =493532a(24) =916913a(25) =1822087a(26) =3428633a(27) =6782008a(28) =12870735a(29) =25339113