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 A260268 #11 Jul 14 2025 17:33:55 %S A260268 5,11,41,151,541,1151,1451,1511,4111,4441,4451,5441,11411,11551,14411, %T A260268 14551,15451,15511,15541,15551,41141,41411,44111,45541,51151,51511, %U A260268 51551,54151,54541,55411,55441,55511,55541,114451,115151,141511,141551,144451,144511 %N A260268 Primes having only {1, 4, 5} as digits. %C A260268 A020452 and A020453 are subsequences. %H A260268 Alois P. Heinz, <a href="/A260268/b260268.txt">Table of n, a(n) for n = 1..10000</a> %t A260268 Select[Prime[Range[3 10^4]], Complement[IntegerDigits[#], {1, 4, 5}]=={} &] %o A260268 (Magma) [p: p in PrimesUpTo(4*10^5) | Set(Intseq(p)) subset [1, 4, 5]]; %Y A260268 Cf. similar sequences listed in A260266. %Y A260268 Cf. A020452, A020453. %K A260268 nonn,easy,base %O A260268 1,1 %A A260268 _Vincenzo Librandi_, Jul 23 2015