OFFSET
0,3
FORMULA
a(n) is asymptotic to n^2/16
MATHEMATICA
RecurrenceTable[{a[0]==a[1]==1, a[n]==Floor[Sqrt[a[n-1]]]+a[n-2]}, a, {n, 70}] (* Harvey P. Dale, Apr 28 2014 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Benoit Cloitre, Oct 25 2002
STATUS
approved