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Search: id:A044423
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A044423 Numbers n such that string 9,1 occurs in the base 10 representation of n but not of n-1. +0
1
91, 191, 291, 391, 491, 591, 691, 791, 891, 910, 991, 1091, 1191, 1291, 1391, 1491, 1591, 1691, 1791, 1891, 1910, 1991, 2091, 2191, 2291, 2391, 2491, 2591, 2691, 2791, 2891, 2910, 2991, 3091, 3191, 3291, 3391, 3491, 3591 (list; graph; listen)
OFFSET

1,1
CROSSREFS

Adjacent sequences: A044420 A044421 A044422 this_sequence A044424 A044425 A044426

Sequence in context: A037998 A063367 A064904 this_sequence A044804 A051973 A000864

KEYWORD

nonn,base

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

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Last modified November 8 20:39 EST 2009. Contains 166234 sequences.

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