OFFSET
0,2
LINKS
FORMULA
G.f.: (x^2+1)*(x^4-x^2+1)/(x-1)^2.
MATHEMATICA
Sort[Join[Range[2, 104, 2], Range[1, 5, 2]]] (* Harvey P. Dale, Aug 28 2011 *)
CROSSREFS
KEYWORD
easy,nonn
AUTHOR
STATUS
approved