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%I #5 Mar 25 2024 09:08:45
%S 2,22,394,8558,206098,5293446,142078746,3937603038,111818026018,
%T 3236724317174,95149655201962
%N A bisection of A006318.
%F a(n)=A006318(2n+1).
%F D-finite with recurrence +(n+1)*(2*n+1)*a(n) +(-70*n^2+3*n+4)*a(n-1) +(70*n^2-207*n+149)*a(n-2) -(n-2)*(2*n-5)*a(n-3)=0. - _R. J. Mathar_, Mar 25 2024
%p A138463 := proc(n)
%p A006318(2*n+1) ;
%p end proc:
%p seq(A138463(n),n=0..50) ; # _R. J. Mathar_, Mar 25 2024
%K nonn
%O 0,1
%A _N. J. A. Sloane_, May 08 2008
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