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 A260381 #12 Jul 21 2025 00:47:58
%S A260381 3,7,37,73,83,337,373,383,733,773,787,877,883,887,3373,3733,3833,3877,
%T A260381 7333,7873,7877,7883,8377,8387,8737,8783,8837,8887,33377,33773,37337,
%U A260381 37783,38333,38377,38737,38783,38833,38873,73387,73783,73877,73883,77377,77383
%N A260381 Primes having only {3, 7, 8} as digits.
%C A260381 A020463, A020464 and A020470 are subsequences.
%H A260381 Alois P. Heinz, <a href="/A260381/b260381.txt">Table of n, a(n) for n = 1..10000</a>
%H A260381 <a href="/index/Pri#PrimesWithDigits">Index to entries for primes with digits in a given set</a>
%t A260381 Select[Prime[Range[2 10^4]], Complement[IntegerDigits[#], {3, 7, 8}]=={} &]
%o A260381 (Magma) [p: p in PrimesUpTo(2*10^5) | Set(Intseq(p)) subset [3, 7, 8]];
%Y A260381 Cf. similar sequences listed in A260378.
%Y A260381 Cf. A000040, A020463, A020464, A020470.
%K A260381 nonn,easy,base
%O A260381 1,1
%A A260381 _Vincenzo Librandi_, Aug 01 2015