id:A099915 - OEIS Search Results

Search: id:A099915

Displaying 1-1 of 1 results found.

page 1

Expansion of (1+4x)/((1-x)(1-10x)).

+0
3

1, 15, 155, 1555, 15555, 155555, 1555555, 15555555, 155555555, 1555555555, 15555555555, 155555555555, 1555555555555, 15555555555555, 155555555555555, 1555555555555555, 15555555555555555, 155555555555555555 (list; graph; listen)

	OFFSET	`0,2`
	COMMENT	`Partial sums of (1+4x)/(1-10x)={1,14,140,1400,...}`
	FORMULA	`a(n)=10^n*14/9-5/9; a(n)=11a(n-1)-10a(n-2), a(0)=1, a(1)=15.`
	CROSSREFS	`Sequence in context: A017389 A098685 A006096 this_sequence A110557 A016304 A016849` `Adjacent sequences: A099912 A099913 A099914 this_sequence A099916 A099917 A099918`
	KEYWORD	`easy,nonn`
	AUTHOR	`Paul Barry (pbarry(AT)wit.ie), Oct 30 2004`

page 1

Search completed in 0.002 seconds

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

AT&T Labs Research