Expansion of e.g.f. (1/x) * Series_Reversion( x/(1 + x * cos(x))^2 ).

A381521

Expansion of e.g.f. (1/x) * Series_Reversion( x/(1 + x * cos(x))^2 ).

Terms

    a(0) =1a(1) =2a(2) =10a(3) =78a(4) =792a(5) =9250a(6) =106080a(7) =636286a(8) =-30646784a(9) =-2237508990a(10) =-112000654080

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