A032984 Numbers with the property that all pairs of consecutive base-7 digits differ by more than 2.

1, 2, 3, 4, 5, 6, 11, 12, 13, 19, 20, 21, 27, 28, 29, 35, 36, 37, 42, 43, 44, 45, 77, 78, 84, 85, 86, 91, 92, 93, 94, 133, 134, 135, 140, 141, 142, 143, 150, 151, 152, 153, 189, 190, 191, 192, 199, 200, 201, 202, 207, 208, 209, 248, 249

Offset

1,2

Links

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

Mathematica

Select[Range[300], Min[Abs[Differences[IntegerDigits[#, 7]]]]>2&] (* Harvey P. Dale, Mar 17 2016 *)

Crossrefs

Cf. A007093.

Sequence in context: A057436 A108376 A108392 * A108379 A348256 A082657

Adjacent sequences: A032981 A032982 A032983 * A032985 A032986 A032987

Keyword

nonn,base

Author

Clark Kimberling

Status

approved