OFFSET
0,3
LINKS
N. J. A. Sloane, Generations 0 to 16 of the graph
FORMULA
G.f. = x*(1+x+x^2+3*x^3+2*x^4+x^5+x^6-x^7)/((1-x)*(1-x^2)*(1-x^4)).
CROSSREFS
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Feb 09 2023
STATUS
approved