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 A175762 #6 Jan 16 2013 09:27:05
%S A175762 2,3,5,7,13,19,31,37,59,73,1061,1151,1223,1289,1487,1511,1559,1601,
%T A175762 1667,1847,1973,1999,2099,2141,2213,2297,2411,2459,2477,2549,2657,
%U A175762 2693,2729,2819,2837,2909,2927,2963,3023,3041,3089,3203,3221,3359,3449,3467,3539,3557
%N A175762 Primes with an arithmetic mean of digits which is also prime.
%H A175762 Harvey P. Dale, <a href="/A175762/b175762.txt">Table of n, a(n) for n = 1..1000</a>
%F A175762 {A000040(i): A007605(i)/A097944(i) in A000040}.
%e A175762 a(10)=73 because (7+3)/2=5=prime. a(12)=1151 because (1+1+5+1)/4=2=prime.
%t A175762 Select[Prime[Range[500]],PrimeQ[Mean[IntegerDigits[#]]]&] (* _Harvey P. Dale_, Jan 16 2013 *)
%Y A175762 Cf. A000040, A007605, A061383.
%K A175762 nonn,base,easy
%O A175762 1,1
%A A175762 _Juri-Stepan Gerasimov_, Aug 29 2010
%E A175762 Corrected (59 inserted, 1061 inserted etc.) by _R. J. Mathar_, Sep 24 2010