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 A386176 #6 Jul 18 2025 16:49:47 %S A386176 3,7,37,43,47,73,83,337,347,373,383,433,443,487,733,743,773,787,877, %T A386176 883,887,3343,3347,3373,3433,3733,3833,3847,3877,4337,4373,4447,4483, %U A386176 4733,4783,4787,4877,7333,7433,7477,7487,7873,7877,7883,8377,8387,8443,8447,8737 %N A386176 Primes having only {3, 4, 7, 8} as digits. %H A386176 Jason Bard, <a href="/A386176/b386176.txt">Table of n, a(n) for n = 1..10000</a> %H A386176 <a href="/index/Pri#PrimesWithDigits">Index to entries for primes with digits in a given set</a> %t A386176 Flatten[Table[Select[FromDigits /@ Tuples[{3, 4, 7, 8}, n], PrimeQ], {n, 7}]] %o A386176 (Magma) [p: p in PrimesUpTo(10^6) | Set(Intseq(p)) subset [3, 4, 7, 8]]; %o A386176 (Python) print(list(islice(primes_with("3478"), 41))) # uses function/imports in A385776 %o A386176 (PARI) primes_with(, 1, [3, 4, 7, 8]) \\ uses function in A385776 %Y A386176 Supersequence of A199347, A199348, A260381, A385795. %Y A386176 Cf. A000040, A385776. %K A386176 nonn,base,easy %O A386176 1,1 %A A386176 _Jason Bard_, Jul 18 2025