OFFSET
0,3
COMMENTS
Numerators in expansion of inverse binomial transform of 1/sqrt(1-2x-3x^2)^(1/4) Denominators are A046161.
MATHEMATICA
Numerator[CoefficientList[Series[1/((1-4x^2)^(1/4) Sqrt[1+x]), {x, 0, 25}], x]] (* Harvey P. Dale, Oct 03 2011 *)
CROSSREFS
KEYWORD
easy,sign,frac
AUTHOR
Paul Barry, Jul 12 2005
STATUS
approved