A093278 - OEIS

%I #9 Jan 05 2018 15:27:27

%S 0,78,5468,553822,2020280808,88842088842,88888802222220,99999978,

%T 555555000888888000,55555500002222220000,2222222020288888880808,

%U 88888888842088888888842,88888888888802222222222220,99999999999978,555555555555000888888888888000

%N a(n) is the largest number such that all of a(n)'s length-n substrings are distinct and divisible by 78.

%H Hans Havermann, <a href="/A093211/a093211.txt">Table of A093211-A093299</a>

%e a(4) is 553822 because its length-4 substrings (5538, 5382, 3822) are all distinct and divisible by 78 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(15) from _John Cerkan_, Jan 05 2018