Number of palindromic primes in base 2 with exactly n binary digits.

Terms

a(0) =0a(1) =1a(2) =2a(3) =0a(4) =2a(5) =0a(6) =3a(7) =0a(8) =3a(9) =0a(10) =7a(11) =0a(12) =12a(13) =0a(14) =23a(15) =0a(16) =40a(17) =0a(18) =94a(19) =0a(20) =142a(21) =0a(22) =271a(23) =0a(24) =480a(25) =0a(26) =856a(27) =0a(28) =1721a(29) =0