id:A034046 - OEIS Search Results

Search: id:A034046

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Numbers that are both primitively and imprimitively represented by x^2+y^2+z^2.

+0
4

9, 18, 25, 27, 45, 49, 50, 54, 75, 81, 90, 98, 99, 117, 121, 125, 126, 147, 150, 153, 162, 169, 171, 189, 198, 225, 234, 242, 243, 245, 250, 261, 270, 275, 289, 294, 297, 306, 315, 325, 333, 338, 342, 350, 361, 363, 369, 378, 387, 405, 414, 425 (list; graph; listen)

	OFFSET	`1,1`
	FORMULA	`Union of A034046 and A034047 is A000378. Intersection of A047449 and A034043 is A034046. Numbers that are in A000378 and neither squarefree nor congruent to 0 mod 4. - Ray Chandler (rayjchandler(AT)sbcglobal.net), Sep 05 2004`
	CROSSREFS	`Cf. A000378, A004215, A047449, A034043-A034047.` `Sequence in context: A167663 A038838 A038837 this_sequence A069562 A072502 A102042` `Adjacent sequences: A034043 A034044 A034045 this_sequence A034047 A034048 A034049`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`

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Last modified November 25 08:46 EST 2009. Contains 167481 sequences.

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