id:A018887 - OEIS Search Results

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Waring's problem: least number of positive n-th powers needed to sum to any sufficiently large integer.

+0
3

1, 4, 7, 16, 18, 27, 36, 42, 55, 63, 70, 79, 87, 95, 103, 112, 120, 129, 138, 146 (list; graph; listen)

	OFFSET	`1,2`
	REFERENCES	`G. H. Hardy and E. M. Wright, An Introduction to the Theory of Numbers, 5th ed., Oxford Univ. Press, 1979, th. 393`
	LINKS	`Eric Weisstein's World of Mathematics, Link to a section of The World of Mathematics.`
	CROSSREFS	`A018886 for small worst cases` `Sequence in context: A166669 A077582 A037373 this_sequence A059014 A166700 A160715` `Adjacent sequences: A018884 A018885 A018886 this_sequence A018888 A018889 A018890`
	KEYWORD	`nonn,nice,hard`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`

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Last modified November 22 20:51 EST 2009. Contains 167312 sequences.