OFFSET
1,2
LINKS
Robert Israel, Table of n, a(n) for n = 1..10000
FORMULA
a(n) appears to be asymptotic to 2*n and a(n)=2n for infinitely many values of n such as n=82, 89, 130, 138, 600, 604, 645, ... - Corrected by Robert Israel, Jan 20 2022
MAPLE
filter:= n -> frac((5/2)^n) = frac(5/2*frac((5/2)^(n-1))):select(filter, [$0..1000]); # Robert Israel, Jan 20 2022
CROSSREFS
KEYWORD
nonn
AUTHOR
Benoit Cloitre, Nov 07 2003
STATUS
approved