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 A260269 #9 Jul 14 2025 17:33:32
%S A260269 11,41,61,461,641,661,4111,4441,6661,11161,11411,14411,14461,16111,
%T A260269 16141,16411,16661,41141,41161,41411,41611,41641,44111,44641,46141,
%U A260269 46411,46441,61141,61441,64661,66161,111611,111641,114161,114641,114661,116141,116411
%N A260269 Primes having only {1, 4, 6} as digits.
%C A260269 A020452 and A020454 are subsequences.
%H A260269 Alois P. Heinz, <a href="/A260269/b260269.txt">Table of n, a(n) for n = 1..10000</a>
%t A260269 Select[Prime[Range[3 10^4]], Complement[IntegerDigits[#], {1, 4, 6}]=={} &]
%o A260269 (Magma) [p: p in PrimesUpTo(4*10^5) | Set(Intseq(p)) subset [1, 4, 6]];
%Y A260269 Cf. similar sequences listed in A260266.
%Y A260269 Cf. A020452, A020454.
%K A260269 nonn,easy,base
%O A260269 1,1
%A A260269 _Vincenzo Librandi_, Jul 23 2015