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Search: id:A068123
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| A068123 |
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Smallest n-th power beginning with n copies of n. |
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+0
3
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| 1, 225, 33386248, 4444945756416, 5555570048168040707323549, 666666037293361155925587087597200530161, 7777777328906397868901558145293223515513205515156299
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OFFSET
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1,2
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EXAMPLE
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a(3) = 33386248 = 322^3 begins with 333.
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CROSSREFS
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Cf. A068124.
Sequence in context: A151653 A077729 A077737 this_sequence A013875 A043670 A126897
Adjacent sequences: A068120 A068121 A068122 this_sequence A068124 A068125 A068126
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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), Feb 21 2002
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EXTENSIONS
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Corrected and extended by David Wasserman (wasserma(AT)spawar.navy.mil), Dec 23 2002
a(8) = 415533397^8 has 69 digits. a(9) = 215443469^9 has 75.
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