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 A307673 #19 Jul 27 2019 12:10:57
%S A307673 1,2,3,4,7,12,21,34,53,82,121,174,243,328,431,556,707,884,1091,1330,
%T A307673 1601,1908,2253,2640,3075,3560,4095,4682,5321,6014,6773,7600,8499,
%U A307673 9470,10521,11652,12867,14170,15563,17050,18635,20318,22107,24002,26005,28116,30345
%N A307673 Partial sums of A108754.
%C A307673 Partial sums of the difference between partial sums of the first n primes and n^2.
%e A307673 a(6) = Sum_{k=1..6} A108754(k) = 1+1+1+1+3+5 = 12.
%t A307673 With[{nn = 48}, Accumulate@ Map[Subtract @@ # &, Transpose@ {Accumulate@ Prime@ Range[nn], Range[nn]^2}]] (* _Michael De Vlieger_, Apr 21 2019 *)
%Y A307673 Cf. A108754.
%K A307673 nonn
%O A307673 1,2
%A A307673 _Jorge H. Costa_, Apr 20 2019
%E A307673 More terms from _Michael De Vlieger_, Apr 21 2019