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 A147971 #13 Apr 06 2012 18:31:22 %S A147971 1,4,9,20,64,92,246,752,1289,2084,3383,31284,271259,618525,1389315, %T A147971 2228197,2914847,6857528,7457772,141236709,366883983,1034128714, %U A147971 3690981956,4965932454,7863515482,19824941433,195348751601,292557888940,2296552237422 %N A147971 Indices of the records in the sequence of smallest positive quadratic nonresidues (A053760). %C A147971 The corresponding primes are listed in A147970. %F A147971 Positive integer n is in this sequence iff A053760(k) < A053760(n) for every k<n. %Y A147971 Cf. A000229, A002223, A002224, A045535, A053760, A133435, A147969, A147970. %K A147971 nonn %O A147971 1,2 %A A147971 _Max Alekseyev_, Nov 18 2008 %E A147971 a(20)-a(29) from _Charles R Greathouse IV_, Apr 06 2012