OFFSET
0,2
EXAMPLE
1+x/2 has 1 real root. Then a(2)=17 is the least value > 2 such that 1+x/2+x^2/a(2) has 2 distinct real roots.
CROSSREFS
KEYWORD
nonn,more
AUTHOR
Benoit Cloitre, Dec 15 2012
STATUS
approved