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Search: id:A080448
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| A080448 |
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a(1) = 4, a(n) = smallest (nontrivial) multiple of a(n-1) containing n digits, a(n) not equal to 10*a(n-1). Also a(n) is not divisible by 10. |
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+0
9
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| 4, 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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CROSSREFS
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Cf. A080445, A080446, A080447, A080449, A080450, A080451, A080452, A080453.
Sequence in context: A012278 A070040 A079822 this_sequence A155174 A053491 A032323
Adjacent sequences: A080445 A080446 A080447 this_sequence A080449 A080450 A080451
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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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