OFFSET
1,2
FORMULA
Conjecture: n*a(n) +(-2*n+3)*a(n-1) +5*(-n+3)*a(n-2) +(2*n-9)*a(n-3) +9*(n-6)*a(n-4)=0. - R. J. Mathar, Feb 25 2015
CROSSREFS
KEYWORD
nonn
AUTHOR
STATUS
approved