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A032998 If d,e are consecutive digits of n in base 10, then |d-e|>=5. 1
1, 2, 3, 4, 5, 6, 7, 8, 9, 16, 17, 18, 19, 27, 28, 29, 38, 39, 49, 50, 60, 61, 70, 71, 72, 80, 81, 82, 83, 90, 91, 92, 93, 94, 160, 161, 170, 171, 172, 180, 181, 182, 183, 190, 191, 192, 193, 194, 270, 271, 272, 280, 281, 282, 283, 290 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Harvey P. Dale, Table of n, a(n) for n = 1..1000

MATHEMATICA

Select[Range[300], Min[Abs[Differences[IntegerDigits[#]]]]>4&] (* Harvey P. Dale, Jan 21 2019 *)

CROSSREFS

Sequence in context: A305458 A102489 A004838 * A032344 A032871 A023764

Adjacent sequences:  A032995 A032996 A032997 * A032999 A033000 A033001

KEYWORD

nonn,base

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified January 17 17:47 EST 2022. Contains 350402 sequences. (Running on oeis4.)