OFFSET
0,1
COMMENTS
Numbers congruent to {0,6} mod 8 are missing (see A047451).
LINKS
N. J. A. Sloane, Transforms
FORMULA
Lodumo_8 transform of A000032 (for definition see Transforms).
Conjecture: a(n)= +2*a(n-6) -a(n-12) . - R. J. Mathar, Oct 08 2011
Empirical g.f.: (x^11 +5*x^10 +4*x^9 +9*x^8 +3*x^7 +6*x^6 +11*x^5 +7*x^4 +4*x^3 +3*x^2 +x +2) / ((x -1)^2*(x +1)^2*(x^2 -x +1)^2*(x^2 +x +1)^2). - Colin Barker, Oct 04 2014
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Philippe Deléham, May 04 2009
STATUS
approved