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 A260892 #14 Jul 21 2025 00:43:03
%S A260892 7,11,17,71,181,787,811,877,881,887,1117,1171,1181,1187,1777,1787,
%T A260892 1811,1871,1877,7177,7187,7717,7817,7877,8111,8117,8171,8887,11117,
%U A260892 11171,11177,11717,11777,11887,17117,17881,18181,18787,71171,71711,71777,71881,71887
%N A260892 Primes having only {1, 7, 8} as digits.
%C A260892 A020455, A020456 and A020470 are subsequences.
%H A260892 Alois P. Heinz, <a href="/A260892/b260892.txt">Table of n, a(n) for n = 1..10000</a>
%H A260892 <a href="/index/Pri#PrimesWithDigits">Index to entries for primes with digits in a given set</a>
%t A260892 Select[Prime[Range[2 10^5]], Complement[IntegerDigits[#], {1, 7, 8}] == {} &]
%o A260892 (Magma) [p: p in PrimesUpTo(2*10^5) | Set(Intseq(p)) subset [1, 7, 8]];
%Y A260892 Cf. similar sequences listed in A260889.
%Y A260892 Cf. A000040, A020455, A020456, A020470.
%K A260892 nonn,easy,base
%O A260892 1,1
%A A260892 _Vincenzo Librandi_, Aug 07 2015