%I #9 Aug 27 2021 01:48:27
%S 23,47,104,128,185,215,266,290,347,371,431,452,509,533,590,614,671,
%T 695,752,776,833,857,914,944,995,1019,1076,1100,1160,1181,1238,1262,
%U 1319,1343,1400,1424,1481,1505,1562,1586,1643,1673
%N Numbers k such that 2 and 5 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_
|