A033073 Numbers with the property that all pairs of consecutive base-8 digits differ by 1.

1, 2, 3, 4, 5, 6, 7, 8, 10, 17, 19, 26, 28, 35, 37, 44, 46, 53, 55, 62, 65, 81, 83, 136, 138, 154, 156, 209, 211, 227, 229, 282, 284, 300, 302, 355, 357, 373, 375, 428, 430, 446, 501, 503, 520, 522, 648, 650, 666, 668, 1089, 1105, 1107

Offset

1,2

Links

Table of n, a(n) for n=1..53.

Mathematica

Join[Range[7], Select[Range[2000], Union[Abs[Differences[IntegerDigits[#, 8]]]]=={1}&]] (* Harvey P. Dale, Dec 28 2011 *)

Crossrefs

Sequence in context: A127273 A143287 A271952 * A369406 A306111 A039172

Adjacent sequences: A033070 A033071 A033072 * A033074 A033075 A033076

Keyword

nonn,base

Author

Clark Kimberling

Status

approved