OFFSET
0,2
COMMENTS
2*a(n) is the Hankel transform of A066796.
LINKS
Index entries for linear recurrences with constant coefficients, signature (4,-12,16,-16).
FORMULA
a(n)=2^n*A138341(n);
CROSSREFS
KEYWORD
easy,sign
AUTHOR
Paul Barry, Mar 15 2008
STATUS
approved