A032992 If d,e are consecutive digits of n in base 10, then |d-e|>=4.

1, 2, 3, 4, 5, 6, 7, 8, 9, 15, 16, 17, 18, 19, 26, 27, 28, 29, 37, 38, 39, 40, 48, 49, 50, 51, 59, 60, 61, 62, 70, 71, 72, 73, 80, 81, 82, 83, 84, 90, 91, 92, 93, 94, 95, 150, 151, 159, 160, 161, 162, 170, 171, 172, 173, 180, 181, 182, 183

Offset

1,2

Links

Table of n, a(n) for n=1..59.

Mathematica

Select[Range[200], Min[Abs[Differences[IntegerDigits[#]]]]>3&] (* Harvey P. Dale, Dec 15 2014 *)

Crossrefs

Sequence in context: A242420 A242419 A073526 * A190298 A069118 A328933

Adjacent sequences: A032989 A032990 A032991 * A032993 A032994 A032995

Keyword

nonn,base

Author

Clark Kimberling

Status

approved