OFFSET
1,2
COMMENTS
See A192466.
FORMULA
Empirical G.f.: -x*(x^2-3*x+1)/((x-1)*(x+1)*(2*x-1)*(4*x-1)). [Colin Barker, Nov 12 2012]
EXAMPLE
(See A192466.)
MATHEMATICA
(See A192465.)
CROSSREFS
KEYWORD
nonn
AUTHOR
Clark Kimberling, Jul 01 2011
STATUS
approved