This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A032979 #14 Feb 13 2021 01:12:49 %S A032979 1,2,3,4,5,6,7,8,9,10,17,18,19,26,27,28,35,36,37,44,45,46,53,54,55,62, %T A032979 63,64,65,72,73,74,81,82,83,136,137,138,145,146,147,154,155,156,209, %U A032979 210,211,218,219,220,227,228,229,282,283,284 %N A032979 Numbers with the property that all pairs of consecutive base-8 digits differ by 0 or 1. %H A032979 Harvey P. Dale, <a href="/A032979/b032979.txt">Table of n, a(n) for n = 1..1000</a> %t A032979 Select[Range[300],Max[Abs[Differences[IntegerDigits[#,8]]]]<2&] (* _Harvey P. Dale_, Dec 23 2020 *) %Y A032979 Cf. A007094. %K A032979 nonn,base %O A032979 1,2 %A A032979 _Clark Kimberling_