The sequence has a name: http://en.wikipedia.org/wiki/Primorial
On Fri, Feb 12, 2016 at 10:43 PM, Kip Murray <[email protected]> wrote: > Cool! --Kip > > On Friday, February 12, 2016, Rob Hodgkinson <[email protected]> wrote: > > > ff=: 13 : '*/\p:i.y' > > ff > > [: */\ [: p: i. > > ff each 1 2 3 4 5 6 > > ┌─┬───┬──────┬──────────┬───────────────┬─────────────────────┐ > > │2│2 6│2 6 30│2 6 30 210│2 6 30 210 2310│2 6 30 210 2310 30030│ > > └─┴───┴──────┴──────────┴───────────────┴─────────────────────┘ > > > > …/Rob > > > > > > > On 13 Feb 2016, at 3:09 PM, Kip Murray <[email protected] > > <javascript:;>> wrote: > > > > > > This one is fairly easy. Write the verb ff . > > > > > > (ff 1);(ff 2);(ff 3);(ff 4);(ff 5);ff 6 > > > +-+---+------+----------+---------------+---------------------+ > > > |2|2 6|2 6 30|2 6 30 210|2 6 30 210 2310|2 6 30 210 2310 30030| > > > +-+---+------+----------+---------------+---------------------+ > > > > > > --Kip Murray > > > > > > > > > > > > -- > > > Sent from Gmail Mobile > > > ---------------------------------------------------------------------- > > > For information about J forums see http://www.jsoftware.com/forums.htm > > > > ---------------------------------------------------------------------- > > For information about J forums see http://www.jsoftware.com/forums.htm > > > > -- > Sent from Gmail Mobile > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm > ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
