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 A094543 #3 Mar 30 2012 18:50:44 %S A094543 0,1,4,27,16,125,216,343,64,729,1000,161051,1728,28561,2744,3375,256, %T A094543 4913,5832,47045881,8000,85766121,5153632,12167,13824,9765625, %U A094543 11881376,729,21952,24389,27000,29791,1024,35937,39304,1838265625 %N A094543 Smallest perfect power of n containing n in binary representation. %C A094543 a(n) = n^A086063(n). %e A094543 n=30='11110' is not contained in 30^2 = 900 = '1110000100' but in %e A094543 a(3) = 30^3 = 27000 = '110100101111000'. %Y A094543 Cf. A007088. %K A094543 nonn %O A094543 0,3 %A A094543 _Reinhard Zumkeller_, May 08 2004