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 A363023 #17 Jul 20 2025 18:04:39
%S A363023 11,19,61,191,199,619,661,691,911,919,991,1619,1669,1699,1999,6199,
%T A363023 6619,6661,6691,6911,6961,6991,9161,9199,9619,9661,11119,11161,11699,
%U A363023 11969,16111,16619,16661,16691,16699,19661,19699,19919,19961,19991,61169,61961
%N A363023 Primes having only {1, 6, 9} as digits.
%H A363023 Jason Bard, <a href="/A363023/b363023.txt">Table of n, a(n) for n = 1..10000</a> (first 2500 terms from Harvey P. Dale)
%H A363023 <a href="/index/Pri#PrimesWithDigits">Index to entries for primes with digits in a given set</a>
%t A363023 Table[Select[Flatten[10#+{1,9}&/@FromDigits/@Tuples[{1,6,9},n]],PrimeQ],{n,4}]//Flatten
%Y A363023 Cf. A020454 (1 and 6), A020457 (1 and 9).
%Y A363023 Cf. A385776.
%K A363023 nonn,base
%O A363023 1,1
%A A363023 _Harvey P. Dale_, May 13 2023