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%I #13 May 27 2021 13:56:34
%S 0,1,2,3,4,5,6,7,13,16,17,37,116,117,367
%N Numbers whose squares have their digits in strictly increasing order.
%F a(n) = sqrt(A122683(n)).
%e 117^2 = 13689 and 1 < 3 < 6 < 8 < 9.
%Y Cf. A122683.
%K base,easy,full,nonn,fini
%O 1,3
%A _Erich Friedman_, Apr 29 2001
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