OFFSET
1,2
COMMENTS
(1) A strictly increasing sequence. (2) a(n)/n --> 3/2. (3) a(n)-a(n-1) is 2, 3, or 4 for all n>=7.
FORMULA
A117931(2n-1), for n=1,2,3,...
EXAMPLE
CROSSREFS
KEYWORD
nonn
AUTHOR
Clark Kimberling, Apr 03 2006
STATUS
approved