id:A010688 - OEIS Search Results

Search: id:A010688

Displaying 1-1 of 1 results found.

page 1

Period 2.

+0
6

1, 7, 1, 7, 1, 7, 1, 7, 1, 7, 1, 7, 1, 7, 1, 7, 1, 7, 1, 7, 1, 7, 1, 7, 1, 7, 1, 7, 1, 7, 1, 7, 1, 7, 1, 7, 1, 7, 1, 7, 1, 7, 1, 7, 1, 7, 1, 7, 1, 7, 1, 7, 1, 7, 1, 7, 1, 7, 1, 7, 1, 7, 1, 7, 1, 7, 1, 7, 1, 7, 1, 7, 1, 7, 1, 7, 1, 7, 1, 7, 1 (list; graph; listen)

	OFFSET	`0,2`
	FORMULA	`a(n)=4-3(-1)^n; G.f.: (1+7x)/((1+x)(1-x)); E.g.f.: 4exp(x)-3exp(-x). - Paul Barry (pbarry(AT)wit.ie), May 23 2003` `a(n)=7*(n mod 2)+(n+1) mod 2 - Paolo P. Lava (ppl(AT)spl.at), Oct 20 2006`
	PROGRAM	`(Other) sage: [power_mod(7, n, 8)for n in xrange(0, 92)] # [From Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), Nov 03 2009]`
	CROSSREFS	`Sequence in context: A019796 A132728 A083530 this_sequence A160798 A033953 A010772` `Adjacent sequences: A010685 A010686 A010687 this_sequence A010689 A010690 A010691`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`
	EXTENSIONS	`Corrected formula . - Philippe DELEHAM (kolotoko(AT)wanadoo.fr), Oct 30 2008`

page 1

Search completed in 0.002 seconds

Last modified December 15 00:47 EST 2009. Contains 170825 sequences.

AT&T Labs Research