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%I #4 Mar 30 2012 18:40:02
%S 3,5,15,3,45,15,675,45,30375,675,20503125,30375,622782421875,20503125,
%T 12768985843505859375,622782421875,7952299928506168842315673828125,
%U 12768985843505859375
%N a(0)=3, a(1)=5. a(n) = a(n-1)*a(n-2) if n odd, else a(n) = a(n-1)/a(n-2).
%C All divisors >1 of the terms are also in the sequence.
%F a(n) = a(n-2)*a(n-4) if n odd. a(n)=a(n-3) if n even.
%F a(2n+1) = 3^Fibonacci(n+1) * 5^Fibonacci(n).
%F a(2n) = 3^Fibonacci(n-1) * 5^Fibonacci(n-2).
%Y Cf. A115033, A115034, A174348.
%K easy,nonn
%O 0,1
%A _Giovanni Teofilatto_, Feb 28 2006
%E Formulas corrected by _R. J. Mathar_, Mar 16 2010
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