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Search: id:A002283
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| 0, 9, 99, 999, 9999, 99999, 999999, 9999999, 99999999, 999999999, 9999999999, 99999999999, 999999999999, 9999999999999, 99999999999999, 999999999999999, 9999999999999999, 99999999999999999
(list; graph; listen)
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OFFSET
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0,2
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COMMENT
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A friend from Germany remarks that the sequence 9, 99, 999, 9999, 99999, 999999, ... might be called the grumpy German sequence: nein!, nein! nein!, nein! nein! nein!, ...
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CROSSREFS
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Cf. A007138; A003020.
Sequence in context: A070843 A108908 A116260 this_sequence A103456 A015685 A051581
Adjacent sequences: A002280 A002281 A002282 this_sequence A002284 A002285 A002286
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KEYWORD
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easy,nonn
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AUTHOR
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njas
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Search completed in 0.002 seconds
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