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Search: id:A057896
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| A057896 |
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Nonnegative numbers which can be written as m^k-m (with m and k nonnegative) in more than one way. |
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+0
2
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OFFSET
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0,2
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EXAMPLE
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30 is in the sequence since 30=2^5-2=6^2-6; 2184 is in the sequence since 2184=3^7-3=13^3-13.
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CROSSREFS
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Cf. A000918, A057895.
Sequence in context: A109501 A147517 A005922 this_sequence A147779 A054721 A074111
Adjacent sequences: A057893 A057894 A057895 this_sequence A057897 A057898 A057899
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KEYWORD
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more,nonn
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AUTHOR
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Henry Bottomley (se16(AT)btinternet.com), Sep 26 2000
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EXTENSIONS
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More terms from Jud McCranie (j.mccranie(AT)comcast.net), Oct 01 2000
The next term, if it exists, is at least 2*10^17. - David Wasserman (wasserma(AT)spawar.navy.mil), May 01 2002
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