OFFSET
0,4
FORMULA
a(n) = floor(sqrt(A078679(n))).
MATHEMATICA
FSFromSeries[f_, x_, n_] := Map[Floor[Sqrt[#]]&, CoefficientList[Series[f, {x, 0, n}], x]]
FSFromSeries[Sqrt[(1-x+x^2)/(1-3x+x^3+x^4)], x, 100]
CROSSREFS
KEYWORD
nonn
AUTHOR
Emanuele Munarini, Jul 07 2011
STATUS
approved