id:A094347 - OEIS Search Results

Search: id:A094347

Displaying 1-1 of 1 results found.

page 1

a(n) = 14*a(n-1)-a(n-2); a(0) = a(1) = 2.

+0
4

2, 2, 26, 362, 5042, 70226, 978122, 13623482, 189750626, 2642885282, 36810643322, 512706121226, 7141075053842, 99462344632562, 1385331749802026, 19295182152595802, 268747218386539202, 3743165875258953026 (list; graph; listen)

	OFFSET	`0,1`
	COMMENT	`Even x satisfying the Pellian x^2 - 3*y^2 = 1. For corresponding y see A028230(n).`
	LINKS	`Index entries for sequences related to linear recurrences with constant coefficients` `Tanya Khovanova, Recursive Sequences`
	FORMULA	`G.f.: 2(1-13x)/(1-14x+x^2). [From Philippe DELEHAM (kolotoko(AT)wanadoo.fr), Nov 17 2008]`
	CROSSREFS	`a(n)=2*A001570(n). Bisection of A001075. Cf. A028230.` `Sequence in context: A032084 A120979 A032000 this_sequence A024577 A121222 A125067` `Adjacent sequences: A094344 A094345 A094346 this_sequence A094348 A094349 A094350`
	KEYWORD	`nonn`
	AUTHOR	`Lekraj Beedassy (blekraj(AT)yahoo.com), Jun 03 2004; corrected Jun 11, 2004.`
	EXTENSIONS	`More terms from Ray Chandler (rayjchandler(AT)sbcglobal.net), Jun 12 2004`

page 1

Search completed in 0.002 seconds

Last modified December 19 12:50 EST 2009. Contains 171053 sequences.

AT&T Labs Research