id:A063954 - OEIS Search Results

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Of course every number is the sum of 4 squares; these are the odd numbers such that the first square can be taken to be any square < n.

+0
6

1, 3, 5, 9, 13, 17, 21, 25, 33, 41, 45, 49, 57, 65, 73, 81, 89, 97, 105, 129, 145, 153, 169, 177, 185, 201, 209, 217, 225, 257, 273, 297, 305, 313, 329, 345, 353, 385, 425, 433, 441, 481, 513, 561, 585, 609, 689, 697, 713, 817, 825, 945 (list; graph; listen)

	OFFSET	`0,2`
	REFERENCES	`J. H. Conway, personal communication, Aug 27, 2001.`
	CROSSREFS	`Cf. A063949-A063953.` `Sequence in context: A076052 A050556 A138008 this_sequence A123509 A063915 A096228` `Adjacent sequences: A063951 A063952 A063953 this_sequence A063955 A063956 A063957`
	KEYWORD	`nonn,easy,nice,fini,full`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com), Sep 04 2001`

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Last modified November 23 17:09 EST 2009. Contains 167438 sequences.

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