id:A154267 - OEIS Search Results

Search: id:A154267

Displaying 1-1 of 1 results found.

page 1

a(n)=27n+15

+0
4

15, 42, 69, 96, 123, 150, 177, 204, 231, 258, 285, 312, 339, 366, 393, 420, 447, 474, 501, 528, 555, 582, 609, 636, 663, 690, 717, 744, 771, 798, 825, 852, 879, 906, 933, 960, 987, 1014, 1041, 1068, 1095, 1122, 1149, 1176, 1203, 1230, 1257, 1284, 1311 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`Pell's equation X^2-AY^2=1, with Y=a(n), A=9n^2-10n+3 [A154262]; or A=9n^2-8n+2 [A154254] and X=9A-1.`
	FORMULA	`a(n)=27n+15`
	EXAMPLE	`For n=0, a(0)=15; n=3, a(3)=96`
	CROSSREFS	`Cf. A154266, A154262, A154254` `Sequence in context: A024845 A056698 A070007 this_sequence A051867 A008976 A072119` `Adjacent sequences: A154264 A154265 A154266 this_sequence A154268 A154269 A154270`
	KEYWORD	`nonn`
	AUTHOR	`Vincenzo Librandi (vincenzo.librandi(AT)tin.it), Jan 06 2009`

page 1

Search completed in 0.002 seconds

Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

AT&T Labs Research