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 A241244 #9 Apr 23 2014 16:10:00
%S A241244 6067,7499,8969,4091,9173,8731,5209,9941,2749,4969,5081,5077,773,4253,
%T A241244 2677,4447,3863,2153,7817,3191,9187,1879,6581,8053,1753,5003,2339,
%U A241244 9241,3253,2539,2887,6299,8161,7759,2371,3907,7297,8641,2689,4099,991,3169,1693,7019
%N A241244 Primes obtained by merging 4 successive digits in decimal expansion of sqrt(5).
%C A241244 Some terms in the sequence have fewer than 4 digits because leading zeros are permitted.
%H A241244 K. D. Bajpai, <a href="/A241244/b241244.txt">Table of n, a(n) for n = 1..2940</a>
%e A241244 a(1) = 6067 which is prime. It is the first occurrence of 4 successive digit prime in decimal expansion of sqrt(5), i.e., 2.23(6067)9774997896964091736687312762354...
%t A241244 t=Sqrt[5];With[{k=FromDigits/@Partition[RealDigits[t,10,25000][[1]],4,1]},Select[k,PrimeQ]]
%Y A241244 Cf. A198161, A198162, A198163, A198164, A198169, A241149.
%K A241244 nonn,base
%O A241244 1,1
%A A241244 _K. D. Bajpai_, Apr 18 2014