Expansion of g/(2 - g^2)^2, where g = 1+x*g^4 is the g.f. of A002293.

A391466

Expansion of g/(2 - g^2)^2, where g = 1+x*g^4 is the g.f. of A002293.

Terms

    a(0) =1a(1) =5a(2) =38a(3) =312a(4) =2651a(5) =22972a(6) =201640a(7) =1786192a(8) =15931889a(9) =142871524a(10) =1286804904a(11) =11631656288a(12) =105459841793a(13) =958650722196

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