Sum of the binary digits of all primes between 2^(n-1) and 2^n-1, i.e., with exactly n binary digits.

A168156

Sum of the binary digits of all primes between 2^(n-1) and 2^n-1, i.e., with exactly n binary digits.

Terms

    a(0) =0a(1) =3a(2) =5a(3) =6a(4) =18a(5) =29a(6) =56a(7) =113a(8) =240a(9) =452a(10) =885a(11) =1790a(12) =3474a(13) =6951a(14) =13671a(15) =27183a(16) =54201a(17) =107224a(18) =213882a(19) =424513a(20) =845716a(21) =1682456a(22) =3350362a(23) =6671581a(24) =13299828a(25) =26500297a(26) =52829961a(27) =105342821a(28) =210088965a(29) =419106389

External references