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 A165591 #3 Mar 31 2012 13:21:19 %S A165591 0,1,-1,1,1,1,-1,-1,-1,1,-1,1,1,-1,1,1,1,-1,-1,-1,1,-1,-1,1,-1,1,1,1, %T A165591 -1,-1,-1,-1,-1,1,1,-1,1,-1,1,-1,-1,1,1,1,1,1,-1,-1,1,1,-1,-1,-1,-1, %U A165591 -1,1,1,-1,1,-1,1,-1,1,-1,1,-1,-1,1,-1,1,1,-1,-1,-1,1,1,-1,-1,1,-1,1 %N A165591 Jacobi symbol (n,59701). %C A165591 Semiprime 59701 = 227*263 = A005385(11)*A005385(12). %H A165591 A. Karttunen, <a href="/A165591/b165591.txt">Table of n, a(n) for n = 0..59701</a> %o A165591 (MIT Scheme, function jacobi-symbol given in entry A165471): %o A165591 (define (A165591 n) (jacobi-symbol n 59701)) %Y A165591 a(n) = A011626(n)*A165574(n). Partial sums: A165592. Cf. A165471. %K A165591 sign,mult %O A165591 0,1 %A A165591 _Antti Karttunen_, Sep 22 2009