Voozh

A044394

Numbers n such that string 6,2 occurs in the base 10 representation of n but not of n-1.

62, 162, 262, 362, 462, 562, 620, 662, 762, 862, 962, 1062, 1162, 1262, 1362, 1462, 1562, 1620, 1662, 1762, 1862, 1962, 2062, 2162, 2262, 2362, 2462, 2562, 2620, 2662, 2762, 2862, 2962, 3062, 3162, 3262, 3362, 3462, 3562

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

LINKS

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

MATHEMATICA

SequencePosition[Table[If[SequenceCount[IntegerDigits[n], {6, 2}]>0, 1, 0], {n, 3600}], {0, 1}][[All, 2]] (* Requires Mathematica version 10 or later *) (* Harvey P. Dale, Jun 27 2020 *)

CROSSREFS

Sequence in context: A332312 A104054 A255153 * A044775 A043359 A023732

Adjacent sequences: A044391 A044392 A044393 * A044395 A044396 A044397

KEYWORD

nonn,base

AUTHOR

Clark Kimberling

STATUS

approved

URL: https://oeis.org/A044394

⇱ A044394 - OEIS