A044189 Numbers n such that string 0,2 occurs in the base 8 representation of n but not of n-1.

66, 130, 194, 258, 322, 386, 450, 514, 528, 578, 642, 706, 770, 834, 898, 962, 1026, 1040, 1090, 1154, 1218, 1282, 1346, 1410, 1474, 1538, 1552, 1602, 1666, 1730, 1794, 1858, 1922, 1986, 2050, 2064, 2114, 2178, 2242, 2306, 2370, 2434, 2498, 2562, 2576, 2626, 2690, 2754

Offset

1,1

Links

Paolo Xausa, Table of n, a(n) for n = 1..10000

Mathematica

A044189Q[k_] := StringContainsQ[IntegerString[k, 8], "02"] && StringFreeQ[IntegerString[k - 1, 8], "02"];
Select[Range[5000], A044189Q] (* Paolo Xausa, Sep 08 2025 *)

Crossrefs

Cf. A007094.

Sequence in context: A031184 A039443 A285319 * A044570 A118163 A160848

Adjacent sequences: A044186 A044187 A044188 * A044190 A044191 A044192

Keyword

nonn,base

Author

Clark Kimberling

Extensions

More terms from Paolo Xausa, Sep 08 2025

Status

approved