This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A349592 #10 Nov 24 2021 14:35:52
%S A349592 0,1,1,1,1,2,4,6,10,19,25,46,70,126,226,360,708,1237,2215,3902,7281,
%T A349592 13243,24140,44006,81479,150526,278981,519383,966444,1803380,3376209,
%U A349592 6330436,11904432
%N A349592 Number of prime lucky numbers k between powers of 2, 2^n < k < 2^(n+1).
%F A349592 a(n) = # { x in A031157 | 2^n < x < 2^(n+1) }. - _M. F. Hasler_, Nov 24 2021
%e A349592 a(6) = 4 since there are 4 prime lucky numbers (67, 73, 79, and 127) between 2^6 = 64 and 2^7 = 128.
%Y A349592 Cf. A000040, A000959, A031157, A036378, A309399.
%K A349592 nonn,more
%O A349592 0,6
%A A349592 _Kevin P. Thompson_, Nov 22 2021