OFFSET
1,2
EXAMPLE
a(6)+7 = 71 + 7 = 78. a(6)*7 = 71 * 7 = 497. 78 has 8 divisors. 497 has 4 divisors. Since 497 has fewer divisors than 78, a(7) is therefore 497.
MATHEMATICA
a = {1}; For[n=2, n < 40, n++, If[Length[Divisors[n*a[[ -1]]]] < Length[Divisors[n+ a[[ -1]]]], AppendTo[a, n*a[[ -1]]], AppendTo[a, n + a[[ -1]]]]]; a (* Stefan Steinerberger, Oct 26 2007 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Leroy Quet, Oct 12 2007
EXTENSIONS
More terms from Stefan Steinerberger, Oct 26 2007
STATUS
approved