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Search: id:A080808
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| A080808 |
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a(1) = 4, a(n)= smallest n-th power obtained by inserting digits anywhere in a(n-1). |
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+0
7
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| 4, 49, 4096, 3748096, 4932784804069376, 44934932784038660743085694310776796224
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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a(7) > 10^49. A simple heuristic argument suggests that a(7) has > .999 probability of having between 88 and 99 digits. - David Wasserman (dwasserm(AT)earthlink.net), Dec 28 2007
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CROSSREFS
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Cf. A080514, A080515, A080516, A080807, A080809, A080810, A080811, A080812, A097661.
Sequence in context: A067714 A068178 A050630 this_sequence A087588 A027533 A048559
Adjacent sequences: A080805 A080806 A080807 this_sequence A080809 A080810 A080811
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KEYWORD
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base,more,nonn
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AUTHOR
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Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Mar 22 2003
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EXTENSIONS
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More terms from Ray G. Opao (1260(AT)email.com), Sep 20 2004
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