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 A257318 #13 May 02 2015 10:33:08
%S A257318 11,23,29,31,43,45,46,47,59,61,63,71,79,83,87,91,93,94,95,109,113,118,
%T A257318 119,123,125,126,127,151,157,167,171,173,174,175,179,181,182,183,186,
%U A257318 187,189,190,191,219,223,229,233,235,237,238,239,241,245,246,247,251,253,254,255,271,283,286,287
%N A257318 Numbers n whose binary expansion can be written as the concatenation of the binary expansion of prime numbers in at least two different ways (not allowing leading zeros).
%C A257318 Numbers such that A090418(n)>1. A090423 is a subsequence. - _M. F. Hasler_, Apr 21 2015
%H A257318 M. F. Hasler, <a href="/A257318/b257318.txt">Table of n, a(n) for n = 1..1000</a>
%e A257318 The first term is 11, as 11 in base 2 is 1011, which can be written either as (1011) or (10)(11).
%o A257318 (PARI) is_A257318(n)={A090418(n)>1} \\ _M. F. Hasler_, Apr 21 2015
%Y A257318 Cf. A090421.
%K A257318 nonn,base
%O A257318 1,1
%A A257318 _Jeffrey Shallit_, Apr 20 2015