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A044429 Numbers n such that string 9,7 occurs in the base 10 representation of n but not of n-1. 0
97, 197, 297, 397, 497, 597, 697, 797, 897, 970, 997, 1097, 1197, 1297, 1397, 1497, 1597, 1697, 1797, 1897, 1970, 1997, 2097, 2197, 2297, 2397, 2497, 2597, 2697, 2797, 2897, 2970, 2997, 3097, 3197, 3297, 3397, 3497, 3597 (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: A060329 A157924 A323796 * A044810 A244778 A176011

Adjacent sequences:  A044426 A044427 A044428 * A044430 A044431 A044432

KEYWORD

nonn,base

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified February 21 19:30 EST 2019. Contains 320376 sequences. (Running on oeis4.)