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%I #7 Dec 04 2017 18:58:10
%S 1,5,25,55,125,275,555,625,1375,2775,3025,3125,5555,6875,13875,15125,
%T 15625,27775,30525,34375,55555,69375,75625,78125,138875,152625,166375,
%U 171875,277775,305525,308025,346875,378125,390625,555555,694375,763125
%N Numbers which can be expressed as the product of numbers made of only fives.
%e 1 = the empty product;
%e 5 = 5;
%e 125 = 5 * 5 * 5; 275 = 5 * 55; 2775 = 5 * 555.
%Y Cf. A084034, A161140, A161141, A161142, A161144, A161145, A161146, A161147.
%K nonn,base
%O 1,2
%A _Claudio Meller_, Jun 03 2009, Jun 06 2009
%E 1 added by _N. J. A. Sloane_, Dec 04 2017
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