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%I #6 Mar 21 2017 08:42:22
%S 1,63,305,847,1809,3311,5473,8415,12257,17119,23121,30383,39025,49167,
%T 60929,74431,89793,107135,126577,148239,172241,198703,227745,259487,
%U 294049,331551,372113,415855,462897,513359,567361,625023,686465,751807,821169,894671
%N A bisection of A063522.
%H <a href="/index/Rec#order_04">Index entries for linear recurrences with constant coefficients</a>, signature (4, -6, 4, -1).
%t Table[LegendreP[3,2n+1],{n,0,50}]
%o (PARI) a(n)=pollegendre(3,2*n+1) \\ _Charles R Greathouse IV_, Mar 19 2017
%K nonn,easy
%O 0,2
%A _N. J. A. Sloane_, Nov 17 2009
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