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%I #10 Aug 11 2015 01:10:41
%S 1,30240,60480,51597803520,687009790646587541893939200,
%T 2639216811747930700939756830720000000,
%U 399953837788563897626396208106026886244605021117749733129069000654848000000000
%N Numbers that are equal to the product of the nonzero digits (in base 10) of their square.
%e For n=30240, n^2 = 914,457,600; the product of the nonzero digits of this square, 9*1*4*4*5*7*6 = 30240 = n.
%Y Special case of A218013 where the ratio of the digit-product to the original number is 1. Related to A218072.
%K nonn,base
%O 1,2
%A _Nels Olson_, Oct 18 2012
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