cp's OEIS Frontend

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.

A260225 Primes having only {3, 5, 6} as digits.

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%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