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 A386194 #6 Jul 18 2025 21:40:57
%S A386194 7,47,67,79,97,449,467,479,499,647,677,769,797,947,967,977,997,4447,
%T A386194 4649,4679,4799,4967,4969,4999,6449,6469,6679,6779,6947,6949,6967,
%U A386194 6977,6997,7477,7499,7649,7669,7699,7949,9467,9479,9497,9649,9677,9679,9697,9749,9767
%N A386194 Primes having only {4, 6, 7, 9} as digits.
%H A386194 Jason Bard, <a href="/A386194/b386194.txt">Table of n, a(n) for n = 1..10000</a>
%H A386194 <a href="/index/Pri#PrimesWithDigits">Index to entries for primes with digits in a given set</a>
%t A386194 Flatten[Table[Select[FromDigits /@ Tuples[{4, 6, 7, 9}, n], PrimeQ], {n, 7}]]
%o A386194 (Magma) [p: p in PrimesUpTo(10^6) | Set(Intseq(p)) subset [4, 6, 7, 9]];
%o A386194 (Python) print(list(islice(primes_with("4679"), 41))) # uses function/imports in A385776
%o A386194 (PARI) primes_with(, 1, [4, 6, 7, 9]) \\ uses function in A385776
%Y A386194 Supersequence of A107666, A261183, A261184, A385794.
%Y A386194 Cf. A000040, A051416, A385776.
%K A386194 nonn,base,easy
%O A386194 1,1
%A A386194 _Jason Bard_, Jul 18 2025