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Search: id:A046182
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%I A046182
%S A046182 1,6,153,638,15041,62566,1473913,6130878,144428481,600763526,
%T A046182 14152517273,58868694718,1386802264321,5768531318886,135892469386233,
%U A046182 565257200556158,13316075197586561,55389437123184646
%N A046182 Indices of triangular numbers which are also octagonal.
%H A046182 Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/
               OctagonalTriangularNumber.html">Link to a section of The World of 
               Mathematics.</a>
%F A046182 For n odd, a(n+2)=98*a(n+1)-a(n)+48; for n even, a(n+1)=49*a(n)+24+10*(24*a(n)^2+24*a(n)+16)^0.5 
               - Richard Choulet (richardchoulet(AT)yahoo.fr), Oct 03 2007, Oct 
               09 2007
%Y A046182 Cf. A046181, A046183, A046190.
%Y A046182 Cf. A046181 A046183.
%Y A046182 Sequence in context: A165436 A147796 A003766 this_sequence A092122 A003460 
               A157626
%Y A046182 Adjacent sequences: A046179 A046180 A046181 this_sequence A046183 A046184 
               A046185
%K A046182 nonn
%O A046182 1,2
%A A046182 Eric Weisstein (eric(AT)weisstein.com)
%E A046182 More terms from Richard Choulet (richardchoulet(AT)yahoo.fr), Oct 03 
               2007

    
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Last modified December 3 22:15 EST 2009. Contains 170310 sequences.


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