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A113318
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Numbers whose biquadrates (fourth powers) are exclusionary.
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1
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2, 3, 4, 7, 8, 9, 24, 27, 28, 32, 42, 52, 53, 58, 59, 67, 89, 93, 203, 258, 284, 324, 329, 832, 843, 2673
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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COMMENTS
| The number m with no repeated digits has an exclusionary fourth power m^4 if the latter is made up of digits not appearing in m. Is a subsequence of A111116. Conjectured to be complete. For the corresponding exclusionary biquadrates m^4, see A113317.
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REFERENCES
| H. Ibstedt, Solution to Problem 2623, "Exclusionary Powers", pp. 346-9, Journal of Recreational Mathematics, Vol. 32 No.4 2003-4 Baywood NY.
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CROSSREFS
| Sequence in context: A059930 A125965 A111116 * A056033 A047547 A014456
Adjacent sequences: A113315 A113316 A113317 * A113319 A113320 A113321
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KEYWORD
| base,nonn,fini
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AUTHOR
| Lekraj Beedassy (blekraj(AT)yahoo.com), Oct 26 2005
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