OFFSET
0,2
FORMULA
a(n)=sum(A113647(n, m), m=1..n+1), n>=0.
Conjecture: (n+2)*a(n) +(-11*n-4)*a(n-1) +(25*n-42)*a(n-2) +5*(-n+12)*a(n-3) +2*(-13*n+20)*a(n-4) +8*(2*n-7)*a(n-5)=0. - R. J. Mathar, Nov 10 2013
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Wolfdieter Lang, Jan 13 2006
STATUS
approved