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%I #11 Oct 03 2023 22:23:36
%S 1,2,3,4,5,6,7,8,10,17,19,26,28,35,37,44,46,53,55,62,65,81,83,136,138,
%T 154,156,209,211,227,229,282,284,300,302,355,357,373,375,428,430,446,
%U 501,503,520,522,648,650,666,668,1089,1105,1107
%N Numbers with the property that all pairs of consecutive base-8 digits differ by 1.
%t Join[Range[7],Select[Range[2000],Union[Abs[Differences[IntegerDigits[#,8]]]]=={1}&]] (* _Harvey P. Dale_, Dec 28 2011 *)
%K nonn,base
%O 1,2
%A _Clark Kimberling_