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 A104190 #16 Jun 26 2025 11:04:43
%S A104190 2,8,48,270,1392,6862,32440,149114,674344,3003292,13234674,57809228,
%T A104190 250594424,1079480960,4624303560,19720668918,83744226026,354354250476,
%U A104190 1494620712320,6286217598392,26370903868480,110375582988186,461002956906910,1921809181446898,7997638730622268
%N A104190 Sums of primes between successive powers of two.
%H A104190 Amiram Eldar, <a href="/A104190/b104190.txt">Table of n, a(n) for n = 0..64</a>
%F A104190 a(n) = Sum_{i=2^n..2^(n+1)-1} prime(i).
%F A104190 a(n) = (A099825(n+1) - A099825(n)) - (A033844(n+1) - A033844(n)). - _Amiram Eldar_, Jun 04 2025
%t A104190 a = Table[Sum[Prime[i], {i, 2^n, 2^(n + 1) - 1}], {n, 0, 24}]
%Y A104190 Cf. A033844, A099825.
%K A104190 nonn
%O A104190 0,1
%A A104190 _Roger L. Bagula_, Mar 12 2005
%E A104190 a(20)-a(24) from _Amiram Eldar_, Jun 04 2025