[seqfan] Products of primorials
charles.greathouse at case.edu
Thu Dec 1 03:19:07 CET 2011
There are many sequences which are naturally subsequences of A025487,
numbers with prime exponents in nonincreasing order (and no missing
primes). Is there a good way to iterate through these numbers (not
necessarily in order) up to a fixed limit? Alternately, a version
that iterated them in order in an unbounded fashion would be
interesting (but probably would not be as fast).
Any thoughts? I'm sure this has been done already...
Case Western Reserve University
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