OFFSET
0,3
COMMENTS
An alternative and simpler definition: numbers not ending in 3. - Charles R Greathouse IV, Feb 07 2014
FORMULA
G.f.: (x^9 +x^8 +x^7 +x^6 +x^5 +x^4 +2*x^3 +x^2 +x) / (x^10 -x^9 -x +1). - Alois P. Heinz, Feb 07 2014
CROSSREFS
KEYWORD
nonn,base,easy
AUTHOR
Vincenzo Librandi, Feb 06 2014
EXTENSIONS
Definition by N. J. A. Sloane, Feb 07 2014
STATUS
approved