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%I #12 Apr 14 2020 01:20:53
%S 2,3,4,5,6,7,8,9,11,13,14,15,16,18,19,20,22,23,24,25,26,27,28,29,30,
%T 31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,47,48,49,50,51,52,53,54,
%U 55,56,57,58,59,60,61,62,63,65,67,68,69,70,72,73,74,75,76,77,78
%N Numbers having period-7 4-digitized sequences.
%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/Digitaddition.html">Digitaddition</a>
%K nonn,base
%O 1,1
%A _Eric W. Weisstein_
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