Number of base-2 palindromic primes (A016041) in range [2^2n,2^(2n+1)].

Terms

a(0) =2a(1) =2a(2) =3a(3) =3a(4) =7a(5) =12a(6) =23a(7) =40a(8) =94a(9) =142a(10) =271a(11) =480a(12) =856a(13) =1721a(14) =3099a(15) =5572a(16) =10799a(17) =20782a(18) =39468a(19) =72672a(20) =139867a(21) =274480a(22) =520376a(23) =986318a(24) =1914097a(25) =3726617a(26) =7107443a(27) =13682325a(28) =26430797a(29) =51412565