OFFSET
0,2
FORMULA
Conjecture: n*a(n) +(n-2)*a(n-1) +(-17*n+28)*a(n-2) +5*(-n+4)*a(n-3) +2*(34*n-107)*a(n-4) +16*(n-5)*a(n-5) +32*(-2*n+9)*a(n-6)=0. - R. J. Mathar, Jun 23 2013
CROSSREFS
KEYWORD
nonn
AUTHOR
STATUS
approved