A044646 Numbers n such that string 1,5 occurs in the base 9 representation of n but not of n+1.

14, 95, 134, 176, 257, 338, 419, 500, 581, 662, 743, 824, 863, 905, 986, 1067, 1214, 1229, 1310, 1391, 1472, 1553, 1592, 1634, 1715, 1796, 1877, 1958, 2039, 2120, 2201, 2282, 2321, 2363, 2444, 2525, 2606, 2687, 2768, 2849

Offset

1,1

Links

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

Mathematica

SequencePosition[Table[If[SequenceCount[IntegerDigits[n, 9], {1, 5}]>0, 1, 0], {n, 3000}], {1, 0}][[;; , 1]] (* Harvey P. Dale, Aug 28 2024 *)

Crossrefs

Sequence in context: A370721 A101383 A044265 * A241205 A055844 A308821

Adjacent sequences: A044643 A044644 A044645 * A044647 A044648 A044649

Keyword

nonn,base

Author

Clark Kimberling

Status

approved