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Search: id:A110802
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| A110802 |
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a(1) =1, a(n) = k* concatenation of a(1), a(2), ...a(n-1), where k is the number of digits in the concatenation. |
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1
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| 1, 1, 22, 4488, 89795904, 17959182236734464, 3704081336326483792653013812237312, 75204075616325580032652098612091128173449533874414107751925419899904
(list; graph; listen)
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OFFSET
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1,3
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EXAMPLE
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a(2) = 1*1 = 1, a(3) = 11*2 = 22, a(4) = 1122*4 = 4488.
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CROSSREFS
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Sequence in context: A114942 A155885 A109776 this_sequence A013727 A028692 A127486
Adjacent sequences: A110799 A110800 A110801 this_sequence A110803 A110804 A110805
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KEYWORD
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base,easy,nonn
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AUTHOR
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Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Aug 14 2005
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EXTENSIONS
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More terms from Joshua Zucker (joshua.zucker(AT)stanfordalumni.org), May 03 2006
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