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Expansion of (Product_{i=1..m-1} (1 + x^(4*i-1))) * (1 + x^(2*m-1)) for m = 4.
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%I #10 Jan 04 2021 04:11:29

%S 1,0,0,1,0,0,0,2,0,0,2,1,0,0,2,0,0,1,2,0,0,2,0,0,0,1,0,0,1

%N Expansion of (Product_{i=1..m-1} (1 + x^(4*i-1))) * (1 + x^(2*m-1)) for m = 4.

%C (Product_{i=1..m-1} (1 + x^(4*i-1))) * (1 + x^(2*m-1)) is the Poincaré polynomial for O(2m).

%D H. Weyl, The Classical Groups, Princeton, 1946, see p. 238.

%K nonn,fini,full

%O 0,8

%A _N. J. A. Sloane_, Aug 29 2010