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%I #11 Jul 17 2021 17:11:41
%S 1,3,2,3,5,4,5,7,6,7,9,8,9,11,10,11,13,12,13,15,14,15,17,16,17,19,18,
%T 19,21,20,21,23,22,23,25,24,25,27,26,27,29,28,29,31,30,31,33,32,33,35,
%U 34,35,37,36,37,39,38,39,41,40,41,43,42,43,45,44,45,47,46,47,49,48,49,51
%N List of triples 2n+1, 2n+3, 2n+2.
%H <a href="/index/Rec#order_04">Index entries for linear recurrences with constant coefficients</a>, signature (1,0,1,-1).
%F a(n) = (2/9)*(3*n+6-3*cos(2*(n+4)*Pi/3)-2*sqrt(3)*sin(2*(n+4)*Pi/3)). - _Wesley Ivan Hurt_, Sep 26 2017
%t LinearRecurrence[{1,0,1,-1},{1,3,2,3},80] (* _Harvey P. Dale_, Aug 12 2016 *)
%t {#[[1]],#[[3]],#[[2]]}&/@Partition[Range[60],3,2]//Flatten (* _Harvey P. Dale_, Jul 17 2021 *)
%K nonn,easy
%O 0,2
%A _Paul Curtz_, Aug 17 2007
%E Edited by _N. J. A. Sloane_, Sep 15 2007
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