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 A237439 #10 Feb 08 2014 15:06:30 %S A237439 2,3,5,7,59,61,97,101,151,257,599,647,829,1163,1499,1999,2351,2467, %T A237439 2531,2897,2903,3001,3373,4783,4813,5683,6317,6857,6997,7759,8563, %U A237439 8837,8963,9203,9463,9497,9521,10903,10957 %N A237439 Triple Hex-primes: let f(n) = A102489(n); then sequence lists primes p such that f(p), f(f(p)) and f(f(f(p))) are also primes. %C A237439 The sequence is a subset of OEIS sequences A103144 and A237438 %D A237439 Original research by OEIS contributor Andreas Boe, Feb 2014 %H A237439 Andreas Boe, <a href="/A237439/b237439.txt">Table of n, a(n) for n = 1..188</a> %e A237439 Dec61=prime -> Hex61=Dec97=prime -> Hex97=Dec 151=prime -> Hex151=Dec337=prime %Y A237439 Cf. A102489 %Y A237439 Cf. A103144(Hex-primes), A237438 (Double Hex-primes), A237440 (Quadruple Hex-primes), A237441 (Quintuple Hex-primes) %K A237439 nonn,base %O A237439 1,1 %A A237439 _Andreas Boe_, Feb 07 2014