login
Reciprocal of n terminates with an infinite repetition of digit 4. Multiples of 10 are omitted.
6

%I #13 Dec 27 2018 03:07:37

%S 144,225,9216,589824,3515625,37748736,2415919104,54931640625,

%T 154618822656,9895604649984,633318697598976,858306884765625,

%U 40532396646334464,2594073385365405696,13411045074462890625

%N Reciprocal of n terminates with an infinite repetition of digit 4. Multiples of 10 are omitted.

%D A. H. Beiler, Recreations in the Theory of Numbers, Dover, N.Y., 1964, pp. 73-82.

%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-2) and 9*5^(6i-4) [i>0].

%e 1/589824 = 0.00000169542100694444444444...

%Y Cf. A064560, A064561, A064562, A064564, A064565, A064566, A064567.

%K nonn,base

%O 1,1

%A _Patrick De Geest_, Sep 20 2001

%E More terms from _James A. Sellers_, Sep 28 2001