Search: id:A033566
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%I A033566
%S A033566 1,9,35,77,135,209,299,405,527,665,819,989,1175,1377,1595,
%T A033566 1829,2079,2345,2627,2925,3239,3569,3915,4277,4655,5049,
%U A033566 5459,5885,6327,6785,7259,7749,8255,8777,9315,9869,10439
%V A033566 -1,9,35,77,135,209,299,405,527,665,819,989,1175,1377,1595,
%W A033566 1829,2079,2345,2627,2925,3239,3569,3915,4277,4655,5049,
%X A033566 5459,5885,6327,6785,7259,7749,8255,8777,9315,9869,10439
%N A033566 (2n+1)(4n-1).
%p A033566 a:=n->sum(j, j=2..n): seq(a(4*n), n=0..36); - Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), 
               Apr 30 2007
%Y A033566 Sequence in context: A119757 A003865 A085366 this_sequence A022275 A071398 
               A005898
%Y A033566 Adjacent sequences: A033563 A033564 A033565 this_sequence A033567 A033568 
               A033569
%K A033566 sign
%O A033566 0,2
%A A033566 N. J. A. Sloane (njas(AT)research.att.com).

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