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%I #9 Aug 27 2021 01:44:52
%S 34,66,115,147,196,228,277,314,358,390,439,471,520,552,602,633,682,
%T 714,763,795,844,876,925,957,1006,1043,1087,1119,1168,1200,1249,1281,
%U 1331,1362,1411,1443,1492,1524,1573,1605,1654,1686
%N Numbers k such that 3 and 7 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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