OFFSET
0,3
FORMULA
D-finite with recurrence n*a(n) +(6-5*n)*a(n-1) +2*(n-3)*a(n-2) +4*(2*n-3)*a(n-3)=0. - R. J. Mathar, Oct 25 2012
CROSSREFS
KEYWORD
easy,nonn
AUTHOR
Paul Barry, Apr 15 2008
STATUS
approved