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 A094448 #10 Aug 20 2015 05:26:08 %S A094448 0,1,1,3,8,34,201,2000,53410,10435175,49476809194 %N A094448 Number of indecomposable groups of order 2^n. %C A094448 See A090751 for definition of indecomposable. %F A094448 Inverse Euler transform of A000679. - _Franklin T. Adams-Watters_, Sep 22 2006 %Y A094448 Cf. A000679. %K A094448 more,nonn %O A094448 0,4 %A A094448 _Paul Boddington_, Jun 04 2004 %E A094448 More terms from _Franklin T. Adams-Watters_, Sep 22 2006 %E A094448 a(0) changed to 0 by _Eric M. Schmidt_, Jun 07 2014