That is what I would assume: 4,(4+5),(4+5+6),(4+5+6+7),(4+5+6+7+8) 4 9 15 22 30
I was trying to figure out a recursive approach which isn't vastly more tedious... Thanks, -- Raul On Thu, Sep 28, 2017 at 2:39 PM, Roger Hui <[email protected]> wrote: > You don't mean > > +/\4+i.10 > 4 9 15 22 30 39 49 60 72 85 > > do you? > > > > On Thu, Sep 28, 2017 at 11:33 AM, Skip Cave <[email protected]> wrote: > >> What is a good way to generate this sequence in J? >> >> 4,(4+5),(4+5+6),(4+5+6+7),(4+5+6+7+8)+..... >> >> Show one way using i. and insert. >> >> Show another way using recursion. >> >> Skip >> >> Skip Cave >> Cave Consulting LLC >> ---------------------------------------------------------------------- >> For information about J forums see http://www.jsoftware.com/forums.htm > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
