%I A057194
%S A057194 1,1,2,8,192,626688,1206883411034112,
%T A057194 2804162815248299020572908137501717168128
%N A057194 a(1) = 1; a(n+1) = (product_{k=1 to n} a(k)) (sum_{j=1 to n} a(j)).
%H A057194 Leroy Quet, <a href="http://www.prism-of-spirals.net/">Home Page</a> 
               (listed in lieu of email address)
%F A057194 a(1) = a(2) = 1; a(3) = 2; For n >= 2, a(n+2) = a(n+1)^2 *(a(n+1)/a(n) 
               -a(n) +1).
%e A057194 a(5) = a(1) *a(2) *a(3) *a(4) *(a(1) +a(2) +a(3) +a(4)) = 1 *1 *2 *8 
               *(1 +1 +2 +8) =192.
%Y A057194 Sequence in context: A028368 A056990 A070235 this_sequence A012539 A012535 
               A012300
%Y A057194 Adjacent sequences: A057191 A057192 A057193 this_sequence A057195 A057196 
               A057197
%K A057194 easy,nonn
%O A057194 1,3
%A A057194 Leroy Quet Sep 15 2000