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%I #9 Aug 23 2021 10:23:29
%S 31,39,112,120,193,201,274,279,351,363,436,444,517,525,598,606,679,
%T 687,760,768,841,849,922,930,1003,1008,1080,1092,1165,1173,1246,1254,
%U 1327,1335,1408,1416,1489,1497,1570,1578,1651,1659
%N Numbers k such that 3 and 4 occur juxtaposed in the base-9 representation of k but not of k-1.
%Y Cf. A007095.
%K nonn,base
%O 1,1
%A _Clark Kimberling_
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