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 A260891 #14 Jul 20 2025 18:01:38
%S A260891 7,11,17,61,67,71,167,617,661,677,761,1117,1171,1667,1777,6661,6761,
%T A260891 7177,7717,11117,11161,11171,11177,11617,11677,11717,11777,16111,
%U A260891 16661,17117,17167,17761,61667,61717,66161,66617,67777,71161,71167,71171,71671
%N A260891 Primes having only {1, 6, 7} as digits.
%C A260891 A020454, A020455 and A020469 are subsequences.
%H A260891 Alois P. Heinz, <a href="/A260891/b260891.txt">Table of n, a(n) for n = 1..10000</a>
%H A260891 <a href="/index/Pri#PrimesWithDigits">Index to entries for primes with digits in a given set</a>
%t A260891 Select[Prime[Range[2 10^4]], Complement[IntegerDigits[#], {1, 6, 7}] == {} &]
%o A260891 (Magma) [p: p in PrimesUpTo(2*10^5) | Set(Intseq(p)) subset [1, 6, 7]];
%Y A260891 Cf, similar sequences listed in A260889.
%Y A260891 Cf. A000040, A020454, A020455, A020469.
%K A260891 nonn,easy,base
%O A260891 1,1
%A A260891 _Vincenzo Librandi_, Aug 05 2015