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Search: id:A080494
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| A080494 |
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a(1) =9, a(n) = smallest multiple of a(n-1) (not equal to 10*a(n-1)) obtained by inserting digits anywhere in a(n-1). |
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9
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| 9, 99, 9009, 900900, 90090000, 9009000000, 900900000000, 90090000000000, 9009000000000000, 900900000000000000, 90090000000000000000, 9009000000000000000000, 900900000000000000000000
(list; graph; listen)
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OFFSET
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1,1
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CROSSREFS
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Cf. A080486, A080487, A080488, A080489, A080490, A080491, A080492, A080493.
Adjacent sequences: A080491 A080492 A080493 this_sequence A080495 A080496 A080497
Sequence in context: A068668 A035027 A078238 this_sequence A077710 A088780 A132544
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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), Mar 18 2003
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EXTENSIONS
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Corrected and extended by Ray Chandler (rayjchandler(AT)sbcglobal.net), Oct 11 2003
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