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 A107482 #3 Oct 21 2011 17:47:40 %S A107482 1,2,5,10,17,31,71,137 %N A107482 Number of prime factors of the smallest n-perfect number. %C A107482 Multiperfect numbers %H A107482 Achim Flammenkamp, <a href="http://wwwhomes.uni-bielefeld.de/achim/mpn.html">The Multiply Perfect Numbers Page</a>. %F A107482 a(n) = A001222(A007539(n)) %e A107482 a(4)=10 because the smallest 4-perfect number factorization is 2^5*3^3*5*7 which has 10 prime factors. %Y A107482 Cf. A107481 %K A107482 hard,more,nonn %O A107482 1,2 %A A107482 Jose Brox (tautocrona(AT)terra.es), May 27 2005