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 A260223 #13 Jul 20 2025 21:24:29
%S A260223 3,5,53,353,503,3533,5003,5303,5333,5503,30553,33053,33353,33503,
%T A260223 33533,35053,35353,35533,50033,50053,50333,50503,53003,53353,53503,
%U A260223 55333,303053,303553,305033,305353,305533,330053,333503,333533,335033,350003,350033,350503
%N A260223 Primes having only {3, 5, 0} as digits.
%C A260223 A020462 is subsequence.
%H A260223 Alois P. Heinz, <a href="/A260223/b260223.txt">Table of n, a(n) for n = 1..10000</a>
%H A260223 <a href="/index/Pri#PrimesWithDigits">Index to entries for primes with digits in a given set</a>
%t A260223 Select[Prime[Range[4 10^4]], Complement[IntegerDigits[#], {3, 5, 0}]=={} &]
%t A260223 Select[FromDigits/@Tuples[{0,3,5},6],PrimeQ] (* _Harvey P. Dale_, Jul 19 2019 *)
%o A260223 (Magma) [p: p in PrimesUpTo(600000) | Set(Intseq(p)) subset [3, 5, 0]];
%Y A260223 Cf. Primes that contain only the digits (3,5,k): this sequence (k=0), A260224 (k=1), A214703 (k=2), A199345 (k=4), A260225 (k=6), A087363 (k=7), A260226 (k=8), A260227 (k=9).
%Y A260223 Cf. A020462.
%K A260223 nonn,easy,base
%O A260223 1,1
%A A260223 _Vincenzo Librandi_, Jul 20 2015