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 A386185 #6 Jul 18 2025 18:20:24 %S A386185 3,7,37,67,73,79,97,337,367,373,379,397,673,677,733,739,769,773,797, %T A386185 937,967,977,997,3373,3637,3673,3677,3697,3733,3739,3767,3769,3779, %U A386185 3793,3797,3967,6337,6367,6373,6379,6397,6637,6673,6679,6733,6737,6763,6779,6793 %N A386185 Primes having only {3, 6, 7, 9} as digits. %H A386185 Jason Bard, <a href="/A386185/b386185.txt">Table of n, a(n) for n = 1..10000</a> %H A386185 <a href="/index/Pri#PrimesWithDigits">Index to entries for primes with digits in a given set</a> %t A386185 Flatten[Table[Select[FromDigits /@ Tuples[{3, 6, 7, 9}, n], PrimeQ], {n, 7}]] %o A386185 (Magma) [p: p in PrimesUpTo(10^6) | Set(Intseq(p)) subset [3, 6, 7, 9]]; %o A386185 (Python) print(list(islice(primes_with("3679"), 41))) # uses function/imports in A385776 %o A386185 (PARI) primes_with(, 1, [3, 6, 7, 9]) \\ uses function in A385776 %Y A386185 Supersequence of A260380, A260382, A261184. %Y A386185 Cf. A000040, A385776. %K A386185 nonn,base,easy %O A386185 1,1 %A A386185 _Jason Bard_, Jul 18 2025