id:A054161 - OEIS Search Results

Search: id:A054161

Displaying 1-1 of 1 results found.

page 1

Number of positive integers <= 2^n of form 3 x^2 + 3 y^2.

+0
1

0, 0, 1, 2, 4, 7, 12, 21, 38, 69, 126, 234, 437, 825, 1565, 2982, 5710, 10967, 21138, 40842, 79099, 153510, 298435, 581095, 1133110, 2212231, 4324045, 8460649, 16570079, 32480219, 63717408, 125088092, 245735287, 483050536, 950104880 (list; graph; listen)

	OFFSET	`0,4`
	LINKS	`Index entries for sequences related to populations of quadratic forms`
	CROSSREFS	`Sequence in context: A014167 A103197 A000709 this_sequence A023433 A005126 A054151` `Adjacent sequences: A054158 A054159 A054160 this_sequence A054162 A054163 A054164`
	KEYWORD	`nonn`
	AUTHOR	`David W. Wilson (davidwwilson(AT)comcast.net)`

page 1

Search completed in 0.002 seconds

Last modified November 21 14:49 EST 2008. Contains 150807 sequences.

AT&T Labs Research