%I #9 Aug 23 2021 02:56:14
%S 71,79,152,160,233,241,314,322,395,403,476,484,557,565,638,711,727,
%T 800,808,881,889,962,970,1043,1051,1124,1132,1205,1213,1286,1294,1367,
%U 1440,1456,1529,1537,1610,1618,1691,1699,1772,1780
%N Numbers k such that 7 and 8 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_