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%I #10 Jan 09 2018 14:33:32
%S 0,900,99000,9990000,999900000,99999000000,9999990000000,
%T 999999900000000,99999999000000000,5555555595555555550555555555,
%U 9555555559505555555505055555555,9955555555950055555555050055555555,9995555555595000555555550500055555555
%N a(n) is the largest number such that all of a(n)'s length-n substrings are distinct and divisible by 45.
%H Hans Havermann, <a href="/A093211/a093211.txt">Table of A093211-A093299</a>
%e a(3) is 99000 because its length-3 substrings (990, 900, 000) are all distinct and divisible by 45 and there is no larger number with this property.
%Y Cf. A093211, A093212, ..., A093299.
%K base,nonn
%O 1,2
%A _Hans Havermann_, Mar 28 2004
%E a(11)-a(13) from _John Cerkan_, Jan 09 2018
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