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 A176690 #11 Apr 17 2019 10:04:19
%S A176690 0,1,3,7,17,32,55,87,129,184,251
%N A176690 Partial sums of A048200.
%C A176690 Partial sums of minimal length pair-exchange / set-rotate sequence to reverse n distinct ordered elements. The subsequence of primes in this partial sum begins: 3, 7, 17.
%F A176690 a(n) = Sum_{i=1..n} A048200(i).
%e A176690 a(5) = 0 + 1 + 2 + 4 + 10 = 17 is prime.
%Y A176690 Cf. A048200.
%K A176690 more,nonn
%O A176690 1,3
%A A176690 _Jonathan Vos Post_, Apr 23 2010
%E A176690 a(10)-a(11) from _Sai Satwik Kuppili_ and _Bhadrachalam Chitturi_, Apr 16 2019