id:A034047 - OEIS Search Results

Search: id:A034047

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Numbers that are primitively or imprimitively represented by x^2+y^2+z^2, but not both.

+0
7

0, 1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 14, 16, 17, 19, 20, 21, 22, 24, 26, 29, 30, 32, 33, 34, 35, 36, 37, 38, 40, 41, 42, 43, 44, 46, 48, 51, 52, 53, 56, 57, 58, 59, 61, 62, 64, 65, 66, 67, 68, 69, 70, 72, 73, 74, 76, 77, 78, 80, 82, 83, 84, 85, 86, 88, 89, 91, 93 (list; graph; listen)

	OFFSET	`1,3`
	FORMULA	`Union of A034046 and A034047 is A000378. Union of A034044 and A034045 is A034047. Numbers that are in A000378 and either squarefree or congruent to 0 mod 4. - Ray Chandler (rayjchandler(AT)sbcglobal.net), Sep 05 2004`
	CROSSREFS	`Cf. A000378, A004215, A047449, A034043-A034046.` `Adjacent sequences: A034044 A034045 A034046 this_sequence A034048 A034049 A034050` `Sequence in context: A039205 A039154 A039083 this_sequence A047424 A094942 A102705`
	KEYWORD	`nonn`
	AUTHOR	`njas`

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Last modified October 13 02:37 EDT 2008. Contains 145008 sequences.

AT&T Labs Research