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 A180404 #18 Mar 04 2024 01:15:07 %S A180404 11,101,191,223,227,229,281,313,331,337,359,373,379,397,463,487,557, %T A180404 577,593,643,683,733,739,757,773,821,863,881,911,937,953,1019,1033, %U A180404 1091,1109,1123,1129,1181,1213,1231,1259,1277,1291,1303,1321,1381,1433,1439 %N A180404 Primes p such that the sum of fifth power of their digits is a prime. %F A180404 If a prime p = abcdef... (each letter being a single digit) then sum = a^5+b^5+... belongs to this sequence if sum is a prime. %e A180404 a(5) = 227 since 2^5+2^5+7^5 = 32+32+16807 = 16871 is a prime. %t A180404 Select[Prime[Range[500]],PrimeQ[Total[IntegerDigits[#]^5]]&] (* _Harvey P. Dale_, May 25 2011 *) %Y A180404 Cf. A046704, A052034, A091366, A091367. %K A180404 nonn,base %O A180404 1,1 %A A180404 _Carmine Suriano_, Sep 02 2010