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 A386347 #6 Jul 20 2025 08:55:55
%S A386347 2,3,5,11,13,19,23,29,31,53,59,61,83,89,101,103,109,113,131,139,151,
%T A386347 163,181,191,193,199,211,223,229,233,239,251,263,269,281,283,293,311,
%U A386347 313,331,353,359,383,389,503,509,521,523,563,569,593,599,601,613,619,631
%N A386347 Primes without {4, 7} as digits.
%H A386347 Jason Bard, <a href="/A386347/b386347.txt">Table of n, a(n) for n = 1..10000</a>
%H A386347 <a href="/index/Pri#PrimesWithDigits">Index to entries for primes with digits in a given set</a>
%t A386347 Select[Prime[Range[120]], DigitCount[#, 10, 4] == 0 && DigitCount[#, 10, 7] == 0 &]
%o A386347 (Magma) [p: p in PrimesUpTo(10^6) | Set(Intseq(p)) subset [0, 1, 2, 3, 5, 6, 8, 9]];
%o A386347 (Python) print(list(islice(primes_with("01235689"), 41))) # uses function/imports in A385776
%o A386347 (PARI) primes_with(, 1, [0, 1, 2, 3, 5, 6, 8, 9]) \\ uses function in A385776
%Y A386347 Intersection of A038612 and A038615.
%Y A386347 Cf. A000040, A020465, A385776.
%K A386347 nonn,base,easy
%O A386347 1,1
%A A386347 _Jason Bard_, Jul 20 2025