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 A154871 #2 Mar 31 2012 10:24:13 %S A154871 3470187,3554463,3887058,4328241,4497738 %N A154871 Numbers n such that n^6 contains every digit exactly 4 times. %C A154871 a(1) is also the number of A074205 %e A154871 3887058^6=3449261536602702380309782557611971988544, which contains 4 times of each digit 0-9. Total 5 terms %Y A154871 A054038 A074205 A154532 A154566 A154818 %K A154871 base,easy,full,nonn,fini %O A154871 1,1 %A A154871 _Zhining Yang_, Jan 16 2009