[seqfan] Re: No 3 terms in Geom Progression

[William Keith]

This may have seemed since this is the Encyclopedia of _Integer_ Sequences,
but you may wish to specify that your sequence only forbids integer
ratios.  (At least, that is what the code is searching for.)  An arithmetic
progression in the integers has integer increment, but a geometric
progression need not.  The sequence 8,12,18 is a geometric progression with
ratio 3/2.

William