A044001 Numbers k such that 0 and 6 occur juxtaposed in the base-10 representation of k but not of k+1.

60, 106, 160, 206, 260, 306, 360, 406, 460, 506, 560, 609, 660, 706, 760, 806, 860, 906, 960, 1006, 1069, 1106, 1160, 1206, 1260, 1306, 1360, 1406, 1460, 1506, 1560, 1609, 1660, 1706, 1760, 1806, 1860, 1906, 1960, 2006, 2069

Offset

1,1

Links

Table of n, a(n) for n=1..41.

Mathematica

SequencePosition[Table[If[SequenceCount[IntegerDigits[n], {0, 6}]>0 || SequenceCount[ IntegerDigits[n], {6, 0}]>0, 1, 0], {n, 2100}], {1, 0}][[All, 1]] (* Harvey P. Dale, Jun 14 2022 *)

Crossrefs

Sequence in context: A272515 A043221 A039398 * A258700 A008887 A217738

Adjacent sequences: A043998 A043999 A044000 * A044002 A044003 A044004

Keyword

nonn,base

Author

Clark Kimberling

Status

approved