%I #5 Mar 30 2012 18:39:53
%S 0,63,7567,774977,77742777,99993699993,777779177777,77777784777777,
%T 7777777147777777,7777777770777777777,777777777007777777770
%N a(n) is the largest number such that all of a(n)'s length-n substrings are distinct and divisible by 63.
%H Hans Havermann, <a href="/A093211/a093211.txt">Table of A093211-A093299</a>
%e a(4) is 774977 because its length-4 substrings (7749, 7497, 4977) are all distinct and divisible by 63 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