Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A082124
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
%I A082124
%S A082124 9,8,6,6,6,36,39,618,4932,60192,3075084,349550100,15219084556800,
%T A082124 13331385308976969710
%N A082124 Smallest difference>1 between d and p/d for any divisor d of the partial 
               product p of the sequence, starting with 9.
%o A082124 (PARI) p=9:for(n=1,50,v=divisors(p):r=sqrt(p):t=0:for(k=1,matsize(v)[2],
               if(v[k]>=r,t=k:break)): if(v[t]^2==p,u=t,u=t-1): if(v[t]-v[u]<2,u=u-1:t=t+1):print1(v[t]-v[u]",
               "):p=p*(v[t]-v[u]))
%Y A082124 Cf. A082120, A082123, A003681 (starts with 2, 3), A082125.
%Y A082124 Sequence in context: A087044 A105415 A155920 this_sequence A132721 A097906 
               A086053
%Y A082124 Adjacent sequences: A082121 A082122 A082123 this_sequence A082125 A082126 
               A082127
%K A082124 nonn,hard,more
%O A082124 1,1
%A A082124 Ralf Stephan (ralf(AT)ark.in-berlin.de), Apr 04 2003
%E A082124 a(14) from Herman Jamke (hermanjamke(AT)fastmail.fm), Nov 02 2006

    
page 1

Search completed in 0.002 seconds

Lookup | Welcome | Find friends | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
More pages | Superseeker | Maintained by N. J. A. Sloane (njas@research.att.com)

Last modified December 1 13:27 EST 2009. Contains 167806 sequences.


AT&T Labs Research