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%I #8 Jan 08 2018 16:24:55
%S 0,56,67280,90728008,773360088,88877688800,57750008008000,
%T 77774704000080080000,77777677600000800800000,
%U 77777790720000008008000000,77773773000000080080000000,88888888788088888888088088888888,77777757750000000008008000000000
%N a(n) is the largest number such that all of a(n)'s length-n substrings are distinct and divisible by 56.
%H Hans Havermann, <a href="/A093211/a093211.txt">Table of A093211-A093299</a>
%e a(3) is 67280 because its length-3 substrings (672, 728, 280) are all distinct and divisible by 56 and there is no larger number with this property.
%Y Cf. A093211, A093212, ..., A093299.
%K base,nonn
%O 1,2
%A _Hans Havermann_, Mar 29 2004
%E a(11)-a(13) from _John Cerkan_, Jan 08 2018
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