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 A260225 #14 Jul 21 2025 00:46:06 %S A260225 3,5,53,353,563,653,3533,5333,5563,5653,6353,6553,6563,6653,33353, %T A260225 33533,33563,35353,35363,35533,36353,36563,36653,53353,53633,53653, %U A260225 55333,55633,55663,56333,56533,56633,56663,63353,63533,65353,65563,65633,66533,66553 %N A260225 Primes having only {3, 5, 6} as digits. %C A260225 A020462 is subsequence. %H A260225 Alois P. Heinz, <a href="/A260225/b260225.txt">Table of n, a(n) for n = 1..10000</a> %H A260225 <a href="/index/Pri#PrimesWithDigits">Index to entries for primes with digits in a given set</a> %t A260225 Select[Prime[Range[3 10^4]], Complement[IntegerDigits[#], {3, 5, 6}]=={} &] %t A260225 Table[Select[FromDigits/@Tuples[{3,5,6},n],PrimeQ],{n,5}]//Flatten (* _Harvey P. Dale_, Jan 23 2018 *) %o A260225 (Magma) [p: p in PrimesUpTo(70000) | Set(Intseq(p)) subset [3, 5, 6]]; %Y A260225 Cf. similar sequences listed in A260223. %Y A260225 Cf. A020462. %K A260225 nonn,base %O A260225 1,1 %A A260225 _Vincenzo Librandi_, Jul 21 2015