Search: id:A022014
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%I A022014
%S A022014 0,1,3,9,27,81,240,711,2094,6152,18012,52613,153297,445772,1293780,
%T A022014 3748820,10845935,31336532,90426198,260644262,750502831,2158961013,
%U A022014 6205225334,17820505454,51139664497,146654181925,420291420558
%N A022014 Tri-substituted alkanes of form C_n H_{2n-1} X_2 Y, or equivalently bi-substituted 
               alkyles of form -C_n H_{2n-1} X_2 (n=1: CHXXY; n=2: CXXY-CHHH CXYH-CXHH 
               CXXH-CYHH).
%D A022014 G. Polya, Algebraische Berechnung der Anzahl der Isomeren einiger organischer 
               Verbindungen, Zeit. f. Kristall., 93 (1936), 415-443; line 6 of Table 
               I.
%F A022014 Reference gives g.f.
%Y A022014 Sequence in context: A006521 A014953 A080557 this_sequence A038002 A133494 
               A140429
%Y A022014 Adjacent sequences: A022011 A022012 A022013 this_sequence A022015 A022016 
               A022017
%K A022014 nonn
%O A022014 0,3
%A A022014 N. J. A. Sloane (njas(AT)research.att.com), Paul.Zimmermann(AT)loria.fr 
               (Paul Zimmermann)

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