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Search: id:A080445
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| A080445 |
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a(1) = 1, a(n) = smallest (nontrivial) multiple of a(n-1) containing n digits, a(n) not equal to 10*a(n-1). |
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+0
9
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| 1, 11, 121, 1089, 11979, 107811, 1185921, 10673289, 117406179, 1056655611, 11623211721, 104608905489, 1150697960379, 10356281643411, 113919098077521, 1025271882697689, 11277990709674579, 101501916387071211
(list; graph; listen)
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OFFSET
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1,2
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CROSSREFS
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Cf. A080446, A080447, A080448, A080449, A080450, A080451, A080452, A080453.
Sequence in context: A006940 A070844 A073913 this_sequence A033867 A106473 A125315
Adjacent sequences: A080442 A080443 A080444 this_sequence A080446 A080447 A080448
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KEYWORD
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base,nonn
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AUTHOR
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Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Feb 23 2003
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EXTENSIONS
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More terms from Antonio G. Astudillo (afg_astudillo(AT)lycos.com), Apr 06 2003
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