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A099914 Expansion of (1+3x)/((1-x)(1-10x)). 3
1, 14, 144, 1444, 14444, 144444, 1444444, 14444444, 144444444, 1444444444, 14444444444, 144444444444, 1444444444444, 14444444444444, 144444444444444, 1444444444444444, 14444444444444444, 144444444444444444 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

COMMENTS

Partial sums of (1+3x)/(1-10x)={1,13,130,1300,...}.

LINKS

Table of n, a(n) for n=0..17.

Index entries for linear recurrences with constant coefficients, signature (11,-10).

FORMULA

a(n)=10^n*13/9-4/9; a(n)=11a(n-1)-10a(n-2), a(0)=1, a(1)=14.

CROSSREFS

Sequence in context: A238473 A016233 A276250 * A016278 A241169 A209347

Adjacent sequences:  A099911 A099912 A099913 * A099915 A099916 A099917

KEYWORD

easy,nonn

AUTHOR

Paul Barry, Oct 30 2004

STATUS

approved

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Last modified December 4 19:40 EST 2021. Contains 349526 sequences. (Running on oeis4.)