[seqfan] Re: There are more terms in this sequence?

[Benoît Jubin]

0 is the sum of (the squares of) its first k divisors for two
different values of k (0 and 1): these are two good reasons to include
it in the sequence !

Benoit

On Thu, Feb 3, 2011 at 11:37 AM, Hans Havermann <pxp at rogers.com> wrote:
> Andrew Weimholt:
>
>> Also, should we start with 0, since 0 is the sum of its first 0 divisors?
>
> I dunno. If a number has no divisors, then there is no sum (empty, not
> zero).
>
> Claudio Meller:
>
>> 1, 130, 1860, 148840, 3039520
>
> a(4) = 148480
>
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