A044647 Numbers k such that string 1,6 occurs in the base 9 representation of k but not of k+1.

15, 96, 143, 177, 258, 339, 420, 501, 582, 663, 744, 825, 872, 906, 987, 1068, 1149, 1295, 1311, 1392, 1473, 1554, 1601, 1635, 1716, 1797, 1878, 1959, 2040, 2121, 2202, 2283, 2330, 2364, 2445, 2526, 2607, 2688, 2769, 2850

Offset

1,1

Links

Table of n, a(n) for n=1..40.

Mathematica

SequencePosition[Table[If[SequenceCount[IntegerDigits[n, 9], {1, 6}]>0, 1, 0], {n, 3000}], {1, 0}][[All, 1]] (* Harvey P. Dale, Oct 12 2022 *)

Crossrefs

Sequence in context: A052459 A336278 A044266 * A289705 A296538 A298105

Adjacent sequences: A044644 A044645 A044646 * A044648 A044649 A044650

Keyword

nonn,base

Author

Clark Kimberling

Status

approved