A044359 - OEIS

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A044359

Numbers n such that string 2,7 occurs in the base 10 representation of n but not of n-1.

27, 127, 227, 270, 327, 427, 527, 627, 727, 827, 927, 1027, 1127, 1227, 1270, 1327, 1427, 1527, 1627, 1727, 1827, 1927, 2027, 2127, 2227, 2270, 2327, 2427, 2527, 2627, 2700, 2827, 2927, 3027, 3127, 3227, 3270, 3327, 3427

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

OFFSET

1,1

LINKS

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

CROSSREFS

Sequence in context: A253103 A321486 A241755 * A044740 A026917 A267935

Adjacent sequences: A044356 A044357 A044358 * A044360 A044361 A044362

KEYWORD

nonn,base

AUTHOR

Clark Kimberling

STATUS

approved