Sum of binary digits of all primes < 2^n, i.e., with at most n binary digits.

Terms

a(0) =0a(1) =3a(2) =8a(3) =14a(4) =32a(5) =61a(6) =117a(7) =230a(8) =470a(9) =922a(10) =1807a(11) =3597a(12) =7071a(13) =14022a(14) =27693a(15) =54876a(16) =109077a(17) =216301a(18) =430183a(19) =854696a(20) =1700412a(21) =3382868a(22) =6733230a(23) =13404811a(24) =26704639a(25) =53204936a(26) =106034897a(27) =211377718a(28) =421466683a(29) =840573072