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%I #8 Apr 20 2020 09:52:36
%S 1,4,22,111,570,2917,15112,78900,416525,2221529,11974498,65211746,
%T 358742016,1992975905,11178149883,63279615534,361464920864,
%U 2082869242399,12104344580384,70924864962233,418922049779244
%N Limiting values of A136564.
%F a(n) = A136564(2*n, 3*n) for n > 0. - _Andrew Howroyd_, Apr 20 2020
%o (PARI) \\ Needs G function from A138107.
%o a(n)={if(n==0, 1, my(m=2*n); polcoef(G(3*n, x + O(x*x^m)) - G(3*n-1, x + O(x*x^m)), m))} \\ _Andrew Howroyd_, Apr 20 2020
%Y Cf. A136564, A138107.
%K more,nonn
%O 0,2
%A _Benoit Jubin_ and _Vladeta Jovovic_, Sep 08 2008
%E Offset corrected and a(7)-a(20) from _Andrew Howroyd_, Apr 20 2020
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