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 A173760 #2 Mar 30 2012 18:40:51 %S A173760 0,0,6,431,66056,27960727,35744362616,144901919316449 %N A173760 Partials sums of A000410. %C A173760 Partials sums of number of singular n X n rational (0,1)-matrices. The subsequence of primes in this partial sum begins: 431. %F A173760 a(n) = SUM[i=0..n] A000410(i). %e A173760 a(8) = 0 + 0 + 6 + 425 + 65625 + 27894671 + 35716401889 + 144866174953833. %Y A173760 Cf. A000409, A000410, A046747, A064230, A064231. %K A173760 more,nonn %O A173760 1,3 %A A173760 _Jonathan Vos Post_, Feb 23 2010