id:A014201 - OEIS Search Results

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Number of solutions to x^2+x*y+y^2 <= n excluding (0,0).

+0
2

0, 6, 6, 12, 18, 18, 18, 30, 30, 36, 36, 36, 42, 54, 54, 54, 60, 60, 60, 72, 72, 84, 84, 84, 84, 90, 90, 96, 108, 108, 108, 120, 120, 120, 120, 120, 126, 138, 138, 150, 150, 150, 150, 162, 162, 162, 162, 162, 168 (list; graph; listen)

	OFFSET	`0,2`
	CROSSREFS	`Cf. A014202, A014198.` `Sequence in context: A122223 A046625 A029682 this_sequence A022089 A110357 A091827` `Adjacent sequences: A014198 A014199 A014200 this_sequence A014202 A014203 A014204`
	KEYWORD	`nonn,easy`
	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.

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