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Dimension of invariant subspace of Lie polynomials of degree 2n under action of SL_2(C) on free Lie algebra of rank 2.
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%I #6 Oct 13 2013 01:08:38

%S 1,0,1,1,5,9,33,85,276,827,2693,8626,28639,95393,323367,1104525,

%T 3813797,13266366,46509357,164098390

%N Dimension of invariant subspace of Lie polynomials of degree 2n under action of SL_2(C) on free Lie algebra of rank 2.

%D M. Bremner, Lie invariants of degree ten, Int. J. Math. Game Theory Algebra, 8 (1998), no. 2-3, 115-122.

%F Formula in C. Reutenauer, Free Lie Algebras, pages 206-208.

%K nonn

%O 1,5

%A _Murray R. Bremner_