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Search: id:A044409
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A044409 Numbers n such that string 7,7 occurs in the base 10 representation of n but not of n-1. +0
1
77, 177, 277, 377, 477, 577, 677, 770, 877, 977, 1077, 1177, 1277, 1377, 1477, 1577, 1677, 1770, 1877, 1977, 2077, 2177, 2277, 2377, 2477, 2577, 2677, 2770, 2877, 2977, 3077, 3177, 3277, 3377, 3477, 3577, 3677, 3770, 3877 (list; graph; listen)
OFFSET

1,1
CROSSREFS

Sequence in context: A075253 A046513 A043518 this_sequence A044790 A029558 A156652

Adjacent sequences: A044406 A044407 A044408 this_sequence A044410 A044411 A044412

KEYWORD

nonn,base

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

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Last modified March 19 13:18 EDT 2010. Contains 173632 sequences.

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