A043962 Numbers k such that 0 and 3 occur juxtaposed in the base-9 representation of k but not of k+1.

27, 84, 108, 165, 189, 251, 270, 327, 351, 408, 432, 489, 513, 570, 594, 651, 675, 732, 764, 813, 837, 894, 918, 980, 999, 1056, 1080, 1137, 1161, 1218, 1242, 1299, 1323, 1380, 1404, 1461, 1493, 1542, 1566, 1623, 1647, 1709

Offset

1,1

Links

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

Mathematica

SequencePosition[Table[If[SequenceCount[IntegerDigits[n, 9], {0, 3}]>0 || SequenceCount[ IntegerDigits[n, 9], {3, 0}]>0, 1, 0], {n, 2000}], {1, 0}][[All, 1]] (* Harvey P. Dale, May 10 2022 *)

Crossrefs

Cf. A007095.

Sequence in context: A161340 A043182 A039359 * A035074 A036925 A281090

Adjacent sequences: A043959 A043960 A043961 * A043963 A043964 A043965

Keyword

nonn,base

Author

Clark Kimberling

Status

approved