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 A068506 #15 Mar 26 2015 15:11:56 %S A068506 1,2,4,24,48,10080,20160,17297280,8995104518400,48519593772249600, %T A068506 1487541362038078419072000, %U A068506 4064469835236338497584529058950244109665514312688896000 %N A068506 Least highly composite number whose prime decomposition starts with 2^n. %H A068506 Charles R Greathouse IV, <a href="/A068506/b068506.txt">Table of n, a(n) for n = 0..17</a> %Y A068506 Cf. A002182, A072847. %K A068506 nonn %O A068506 0,2 %A A068506 _Lekraj Beedassy_, Mar 25 2002 %E A068506 a(7) corrected by _J. Lowell_, Jun 13 2008 %E A068506 More terms from _Charles R Greathouse IV_, Oct 01 2008