%I A096124
%S A096124 1,4,11,27,72
%N A096124 a(n) is the exponent of 5 in x = 2^m*5^n, where x = b(n)-b(n-1) and b(n) 
               and b(n-1) are consecutive terms in A050649.
%e A096124 a(3) = 4: b(3)-b(2) = 2512-12 = 2500; 2500 = 2^2*5^4, hence a(3)=4.
%Y A096124 Cf. A050649.
%Y A096124 Sequence in context: A027439 A108985 A014151 this_sequence A090539 A113478 
               A056601
%Y A096124 Adjacent sequences: A096121 A096122 A096123 this_sequence A096125 A096126 
               A096127
%K A096124 nonn
%O A096124 2,2
%A A096124 Ray G. Opao (1260(AT)email.com), Jul 23 2004