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Search: id:A080446
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| A080446 |
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a(1) = 2, 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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| 2, 12, 108, 1188, 10692, 117612, 1058508, 11643588, 104792292, 1152715212, 10374436908, 114118805988, 1027069253892, 11297761792812, 101679856135308, 1118478417488388, 10066305757395492, 110729363331350412
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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Assuming a(2)=12: Same as A080447 from n=2 on, since the author appears to discard any term divisible by 10: 10=5*a(1). - Antonio G. Astudillo (afg_astudillo(AT)lycos.com), Apr 06 2003
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CROSSREFS
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Cf. A080445, A080447, A080448, A080449, A080450, A080451, A080452, A080453.
Sequence in context: A085867 A141133 A036077 this_sequence A055897 A052563 A007724
Adjacent sequences: A080443 A080444 A080445 this_sequence A080447 A080448 A080449
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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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