A044532 Numbers n such that string 1,6 occurs in the base 7 representation of n but not of n+1.

13, 62, 97, 111, 160, 209, 258, 307, 356, 405, 440, 454, 503, 552, 601, 685, 699, 748, 783, 797, 846, 895, 944, 993, 1042, 1091, 1126, 1140, 1189, 1238, 1287, 1336, 1385, 1434, 1469, 1483, 1532, 1581, 1630, 1679, 1728, 1777

Offset

1,1

Links

Table of n, a(n) for n=1..42.

Mathematica

SequencePosition[Table[If[SequenceCount[IntegerDigits[n, 7], {1, 6}]>0, 1, 0], {n, 2000}], {1, 0}][[All, 1]] (* Harvey P. Dale, Dec 11 2022 *)

Crossrefs

Sequence in context: A145044 A264612 A044151 * A268201 A212108 A213843

Adjacent sequences: A044529 A044530 A044531 * A044533 A044534 A044535

Keyword

nonn,base

Author

Clark Kimberling

Status

approved