%I #9 Aug 26 2021 09:39:28
%S 16,64,97,152,178,226,259,307,340,388,421,469,502,550,584,631,664,712,
%T 745,793,826,881,907,955,988,1036,1069,1117,1150,1198,1231,1279,1376,
%U 1393,1441,1474,1522,1555,1610,1636,1684,1717
%N Numbers k such that 1 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_