[seqfan] Re: List the dividers, sum the digits

[Eric Angelini]

Sorry again Bob and the others,
it was late yesterday -- yes, of
course, 13-->1,13 dig.sum = 5

Ok, this idea seems not to be very
productive, let's move to smtg else!

Best,
É.
Catapulté de mon aPhone

> Le 8 nov. 2015 à 09:14, Bob Selcoe <rselcoe at entouchonline.net> a écrit :
> 
> Hi Eric,
> 
> A bit confused on this.  Why does digsum of 10 = 1+1+0+2+5 = 9, and digsum 
> 13 = 1+13 = 14?
> 
>