OFFSET
1,3
FORMULA
For n >= 4, b(n) = 1 +(b(n-1)-1)/b(n-2).
MATHEMATICA
f[l_List] := Append[l, Plus @@ l/Times @@ l]; Numerator[Nest[f, {1}, 20]] (* Ray Chandler, Feb 13 2007 *)
CROSSREFS
KEYWORD
easy,frac,nonn
AUTHOR
Leroy Quet, Jan 23 2007
EXTENSIONS
Extended by Ray Chandler, Feb 13 2007
STATUS
approved