%I A022120
%S A022120 3,7,10,17,27,44,71,115,186,301,487,788,1275,2063,3338,
%T A022120 5401,8739,14140,22879,37019,59898,96917,156815,253732,
%U A022120 410547,664279,1074826,1739105,2813931,4553036,7366967
%N A022120 Fibonacci sequence beginning 3 7.
%H A022120 Tanya Khovanova, <a href="http://www.tanyakhovanova.com/RecursiveSequences/
               RecursiveSequences.html">Recursive Sequences</a>
%F A022120 G.f.: (3+4x)/(1-x-x^2). [From Philippe DELEHAM (kolotoko(AT)wanadoo.fr), 
               Nov 19 2008]
%t A022120 a={};b=3;c=7;AppendTo[a,b];AppendTo[a,c];Do[b=b+c;AppendTo[a,b];c=b+c;
               AppendTo[a,c],{n,1,12,1}];a (Vladimir Orlovsky, Jul 23 2008)
%Y A022120 Sequence in context: A163714 A128223 A111244 this_sequence A041191 A041251 
               A042435
%Y A022120 Adjacent sequences: A022117 A022118 A022119 this_sequence A022121 A022122 
               A022123
%K A022120 nonn
%O A022120 0,1
%A A022120 N. J. A. Sloane (njas(AT)research.att.com).