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Search: id:A068121
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| A068121 |
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Smallest n-th power beginning with the concatenation of first n natural numbers. |
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+0
4
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| 1, 121, 12326391, 1234134359056, 1234543668832, 1234566439851412003312246012968681, 123456718029050407240974433459138845096817901
(list; graph; listen)
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OFFSET
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1,2
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EXAMPLE
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12326391=231^3 is the smallest cube beginning with 123.
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CROSSREFS
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Cf. A077736.
Sequence in context: A053885 A068490 A077735 this_sequence A013859 A060032 A109643
Adjacent sequences: A068118 A068119 A068120 this_sequence A068122 A068123 A068124
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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 21 2002
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EXTENSIONS
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More terms from Robert Gerbicz (gerbicz(AT)freemail.hu), Sep 05 2002
Edited by N. J. A. Sloane (njas(AT)research.att.com) at the suggestion of Andrew Plewe, Jun 15 2007
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