Sequence to consider

[Max A.]

David,

Something is wrong with the definition.
For example, why a(3)=4657471 while
11 = 1+3+7 = sigma(1) + sigma(2) + sigma(4)
and 1,2,4 are three distinct numbers?

Max

On 9/30/06, David Wilson <davidwwilson at comcast.net> wrote:
>
>
> Smallest odd number that is the sum of divisors of n distinct numbers.
>
> Starts
>
> 1,31,4657471,20421219,...
>
> Presumably there are additional elements.