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 A241221 #20 Dec 09 2014 03:33:27
%S A241221 47441,87383,66809,80953,87119,19753,48163,81637,35591,52967,96763,
%T A241221 30727,77621,80809,16903,35051,14159,24877,56437,24677,67723,32077,
%U A241221 29429,76831,11257,57367,36787,80207,61141,68351,35129,47701,77017,64579,24671,37277,27701,56873
%N A241221 Primes obtained by merging 5 successive digits in the decimal expansion of sqrt(2) + sqrt(3) + sqrt(5).
%C A241221 All the terms in the sequence are 5-digit primes because leading zeros are not permitted.
%H A241221 K. D. Bajpai, <a href="/A241221/b241221.txt">Table of n, a(n) for n = 1..4248</a>
%e A241221 a(1) = 47441, which is prime. It is the first occurrence of a 5-digit prime in the decimal expansion of sqrt(2) + sqrt(3) + sqrt(5), i.e., 5.3823323(47441)76203873830873445 ...
%t A241221 With[{len = 5},Select[FromDigits /@Partition[RealDigits[Sqrt[2] + Sqrt[3] + Sqrt[5], 10, 1000][[1]],len, 1], IntegerLength[#] == len && PrimeQ[#] &]]
%Y A241221 Cf. A198161, A198162, A198163, A198164, A198165, A198166, A198169, A241149.
%K A241221 nonn,base
%O A241221 1,1
%A A241221 _K. D. Bajpai_, Apr 18 2014