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A032973
Numbers with the property that all pairs of consecutive digits differ by more than 1.
0
1, 2, 3, 4, 5, 6, 7, 8, 9, 13, 14, 15, 16, 17, 18, 19, 20, 24, 25, 26, 27, 28, 29, 30, 31, 35, 36, 37, 38, 39, 40, 41, 42, 46, 47, 48, 49, 50, 51, 52, 53, 57, 58, 59, 60, 61, 62, 63, 64, 68, 69, 70, 71, 72, 73, 74, 75, 79, 80, 81, 82, 83, 84
OFFSET
1,2
MATHEMATICA
Select[Range[100], Min[Abs[Differences[IntegerDigits[#]]]]>1&] (* Harvey P. Dale, May 29 2021 *)
CROSSREFS
Sequence in context: A342951 A342264 A094823 * A174887 A092598 A247811
KEYWORD
nonn,base
STATUS
approved