%I #1 Jun 29 2008 03:00:00
%S 1,2,6,60,20160,23543886643200,
%T 41101884684637603112076605638990269409595309948928000000
%N Exponents of prime factorization are factorial numbers in descending order.
%F a(n) = 2^(n!) * 3^((n-1)!) * 5^((n-2)!) * ... * p(n+1)^(0!);
%e a(4) = (2^6)(3^2)(5)(7) = 20160
%o J Program
%o */ @ (p: ^ (!@|.)) @ i.
%K easy,nonn
%O 1,2
%A Dan Brown (dbrown(AT)certicom.com), May 20 2008
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