A044120 Numbers n such that string 3,0 occurs in the base 6 representation of n but not of n-1.

18, 54, 90, 108, 126, 162, 198, 234, 270, 306, 324, 342, 378, 414, 450, 486, 522, 540, 558, 594, 630, 648, 702, 738, 756, 774, 810, 846, 882, 918, 954, 972, 990, 1026, 1062, 1098, 1134, 1170, 1188, 1206, 1242, 1278, 1314, 1350

Offset

1,1

Links

Harvey P. Dale, Table of n, a(n) for n = 1..1000

Mathematica

SequencePosition[Table[If[SequenceCount[IntegerDigits[n, 6], {3, 0}]>0, 1, 0], {n, 1500}], {0, 1}][[All, 2]] (* Requires Mathematica version 10 or later *) (* Harvey P. Dale, Apr 23 2019 *)

Crossrefs

Sequence in context: A176026 A068396 A205874 * A056808 A044501 A163758

Adjacent sequences: A044117 A044118 A044119 * A044121 A044122 A044123

Keyword

nonn,base

Author

Clark Kimberling

Status

approved