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 A245205 #6 Jul 13 2014 17:08:47 %S A245205 0,3,8,21,24,35,64,75,87,97,176,274,278,304,736,757,902,920,1139,1936, %T A245205 4361,6374,10181,11848,17771,43487,49987,71552,93124,152446,217835, %U A245205 217856,243706,440152,480487,864901 %N A245205 Indices of records in A245203 (= least k>=0 such that 4n+3 is the mean of primes 4(n-k)+3 and 4(n+k)+3). %C A245205 See A244952 for the record values A244952(n) = A245203(a(n)). %K A245205 nonn %O A245205 1,2 %A A245205 _M. F. Hasler_, Jul 13 2014