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 A032987 #15 Feb 13 2021 01:13:38 %S A032987 1,2,3,4,5,6,7,8,9,14,15,16,17,18,19,25,26,27,28,29,30,36,37,38,39,40, %T A032987 41,47,48,49,50,51,52,58,59,60,61,62,63,69,70,71,72,73,74,80,81,82,83, %U A032987 84,85,90,91,92,93,94,95,96,140,141,147,148 %N A032987 Numbers with the property that all pairs of consecutive base-10 digits differ by more than 2. %t A032987 Select[Range[200],And@@(Abs[First[#]-Last[#]]>2&/@Partition[ IntegerDigits[#],2,1])&] (* _Harvey P. Dale_, Mar 28 2011 *) %t A032987 Select[Range[200],Min[Abs[Differences[IntegerDigits[#]]]]>2&] (* _Harvey P. Dale_, May 24 2015 *) %Y A032987 Cf. A032981. %K A032987 nonn,base %O A032987 1,2 %A A032987 _Clark Kimberling_