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%I #5 Oct 10 2019 23:18:37
%S 0,1,2,3,4,5,6,7,8,9,15,26,37,40,48,51,59,62,73,84,95,151,159,262,373,
%T 404,484,515,595,626,737,840,848,951,959,1515,1595,2626,3737,4040,
%U 4048,4840,4848,5151,5159,5951,5959,6262,7373,8404,8484,9515,9595,15151
%N Numbers whose consecutive digits differ by 4.
%Y Cf. A033075, A033088, A033081, A048407-A048410.
%K nonn,base
%O 0,3
%A _Patrick De Geest_, Apr 15 1999
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