id:A054179 - OEIS Search Results

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Number of positive integers <= 2^n of form 5 x^2 + 9 y^2.

+0
1

0, 0, 0, 1, 3, 5, 10, 18, 32, 60, 110, 207, 391, 739, 1411, 2695, 5158, 9941, 19187, 37151, 72038, 140000, 272470, 531133, 1036727, 2025812, 3962913, 7759632, 15207510, 29828260, 58549403, 115004444, 226040861, 444547031, 874762315 (list; graph; listen)

	OFFSET	`0,5`
	LINKS	`Index entries for sequences related to populations of quadratic forms`
	CROSSREFS	`Adjacent sequences: A054176 A054177 A054178 this_sequence A054180 A054181 A054182` `Sequence in context: A026687 A009854 A018165 this_sequence A010049 A094986 A107232`
	KEYWORD	`nonn`
	AUTHOR	`David W. Wilson (davidwwilson(AT)comcast.net)`

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Last modified May 16 23:01 EDT 2008. Contains 139884 sequences.

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