A044287 Numbers n such that string 4,0 occurs in the base 9 representation of n but not of n-1.

36, 117, 198, 279, 324, 360, 441, 522, 603, 684, 765, 846, 927, 1008, 1053, 1089, 1170, 1251, 1332, 1413, 1494, 1575, 1656, 1737, 1782, 1818, 1899, 1980, 2061, 2142, 2223, 2304, 2385, 2466, 2511, 2547, 2628, 2709, 2790

Offset

1,1

Links

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

Mathematica

SequencePosition[Table[If[SequenceCount[IntegerDigits[n, 9], {4, 0}]>0, 1, 0], {n, 3000}], {0, 1}][[;; , 2]] (* Harvey P. Dale, Apr 22 2024 *)

Crossrefs

Sequence in context: A176685 A199260 A033575 * A044668 A129367 A350500

Adjacent sequences: A044284 A044285 A044286 * A044288 A044289 A044290

Keyword

nonn,base,changed

Author

Clark Kimberling

Status

approved