A044634 Numbers n such that string 0,2 occurs in the base 9 representation of n but not of n+1.

83, 164, 245, 326, 407, 488, 569, 650, 731, 755, 812, 893, 974, 1055, 1136, 1217, 1298, 1379, 1460, 1484, 1541, 1622, 1703, 1784, 1865, 1946, 2027, 2108, 2189, 2213, 2270, 2351, 2432, 2513, 2594, 2675, 2756, 2837, 2918

Offset

1,1

Links

Table of n, a(n) for n=1..39.

Mathematica

SequencePosition[Table[If[SequenceCount[IntegerDigits[n, 9], {0, 2}]>0, 1, 0], {n, 3000}], {1, 0}][[All, 1]] (* Requires Mathematica version 10 or later *) (* Harvey P. Dale, Jun 18 2017 *)

Crossrefs

Sequence in context: A140543 A142118 A044253 * A160849 A277807 A246874

Adjacent sequences: A044631 A044632 A044633 * A044635 A044636 A044637

Keyword

nonn,base

Author

Clark Kimberling

Status

approved