OFFSET
0,2
REFERENCES
Alex Walker, On the Growth of Sequences, 2007
FORMULA
a(n) = Sum_{x>=1} (9^(n+1))(x^n) / 10^x. - Alexander Walker, Feb 26 2007
MAPLE
a:=n->sum(9^(n+1)*x^n/10^x, x=1..infinity): seq(a(n), n=0..17); # Emeric Deutsch, Mar 23 2007
CROSSREFS
KEYWORD
frac,nonn
AUTHOR
Henry Bottomley, Jul 04 2000
EXTENSIONS
Corrected and extended by Emeric Deutsch, Mar 23 2007
STATUS
approved