[seqfan] Re: multiplicative set-like sequences

Max Alekseyev maxale at gmail.com
Sat Feb 26 08:46:39 CET 2011


To avoid confusion, we need then to extended the definition of the
'mult' keyword given at http://oeis.org/eishelp2.html#RK
"mn in the the sequence if m,n are in the sequence and g.c.d.(m,n)=1"

or maybe introduce a new keyword like "mult2" (I'm still not sure if
it is a good idea to have two distinct definitions for the same


On Wed, Feb 16, 2011 at 8:06 PM, N. J. A. Sloane <njas at research.att.com> wrote:
>> Should such set-like sequences are also marked with the 'mult' keyword?
> A typical candidate would be A023172.
> My answer is Yes, certainly!
> Neil
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