Search: id:A027599
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%I A027599
%S A027599 6,2,4,12,26,46,72,104,142,186,236,292,354,422,496,576,662,754,852,
%T A027599 956,1066,1182,1304,1432,1566,1706,1852,2004,2162,2326,2496,2672,
%U A027599 2854,3042,3236,3436,3642,3854,4072,4296,4526,4762,5004,5252,5506
%N A027599 3n^2 - 7n + 6.
%C A027599 Except for the first term, a(n)=6*n+a(n-1)-10 (with a(1)=2) [From Vincenzo 
               Librandi (vincenzo.librandi(AT)tin.it), Nov 17 2009]
%D A027599 Encyclopaedia Britannica, 1965 ed., Vol. 16 pages 755/6.
%t A027599 lst={};Do[AppendTo[lst, 3*n^2-7*n+6], {n, 0, 4!}];lst...and/or... s=2;
               lst={6, s};Do[s+=n+1;AppendTo[lst, s], {n, 1, 5!, 6}];lst [From Vladimir 
               Orlovsky (4vladimir(AT)gmail.com), Oct 25 2008]
%Y A027599 Cf. A049450.
%Y A027599 Sequence in context: A135617 A019930 A123139 this_sequence A058160 A033939 
               A021020
%Y A027599 Adjacent sequences: A027596 A027597 A027598 this_sequence A027600 A027601 
               A027602
%K A027599 nonn,new
%O A027599 0,1
%A A027599 Patrick De Geest (pdg(AT)worldofnumbers.com)

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