OFFSET
4,2
COMMENTS
Apparently first differences of A014533.
FORMULA
Conjecture: -(n-4)*(n+4)*a(n) +(4*n^2-7*n-29)*a(n-1) +(-2*n^2+17*n-2)*a(n-2) -(4*n+1)*(n-3)*a(n-3) +3*(n-3)*(n-4)*a(n-4)=0. - R. J. Mathar, Feb 25 2015
Conjecture: -(n-4)*(n+4)*(n^2-3*n+6)*a(n) +(n-1)*(2*n^3-5*n^2+11*n-36)*a(n-1) +3*(n-1)*(n-2)*(n^2-n+4)*a(n-2)=0. - R. J. Mathar, Feb 25 2015
CROSSREFS
KEYWORD
nonn
AUTHOR
STATUS
approved