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%I #19 May 03 2021 18:39:35
%S 45,288,18432,703125,1179648,75497472,4831838208,10986328125,
%T 309237645312,19791209299968,171661376953125,1266637395197952,
%U 81064793292668928,2682209014892578125,5188146770730811392
%N Reciprocal of n terminates with an infinite repetition of digit 2. Multiples of 10 are omitted.
%D A. H. Beiler, Recreations in the Theory of Numbers, Dover, N.Y., 1964, pp. 73-82.
%H Robert Israel, <a href="/A064561/b064561.txt">Table of n, a(n) for n = 1..787</a>
%H <a href="/index/1#1overn">Index entries for sequences related to decimal expansion of 1/n</a>
%F Numbers of the form 9*2^(6i-1) and 9*5^(6i-5) [i>0].
%e 1/1179648 = 0.000000847710503472222222222...
%p sort([seq(9*2^(6*i-1), i=1 .. floor((1+log[2](10^20/9))/6)),
%p seq(9*5^(6*i-5), i=1 .. floor((5+log[5](10^20/9))/6))]); # _Robert Israel_, May 03 2021
%o (ARIBAS): a064560(1,300000000,2,36). For definition of a064560 see A064560.
%Y Cf. A064560, A064562, A064563, A064564, A064565, A064566, A064567.
%K nonn,base
%O 1,1
%A _Patrick De Geest_, Sep 20 2001
%E One more term from _Klaus Brockhaus_, Sep 22 2001
%E More terms from _James A. Sellers_, Sep 28 2001