G.f. A(x) satisfies: A(x) = x*exp(2*A(-x) + 2*A(-x^3)/3 + 2*A(-x^5)/5 + 2*A(-x^7)/7 + 2*A(-x^9)/9 + ...).

A307538

G.f. A(x) satisfies: A(x) = x*exp(2*A(-x) + 2*A(-x^3)/3 + 2*A(-x^5)/5 + 2*A(-x^7)/7 + 2*A(-x^9)/9 + ...).

Terms

    a(0) =0a(1) =1a(2) =-2a(3) =-2a(4) =10a(5) =14a(6) =-86a(7) =-126a(8) =858a(9) =1302a(10) =-9378a(11) =-14606a(12) =108954a(13) =172698a(14) =-1319966a(15) =-2119118a(16) =16489594a(17) =26731542a(18) =-210887998a(19) =-344490170a(20) =2747510514a(21) =4515757426a(22) =-36336187630a(23) =-60023827438a(24) =486540793914a(25) =807121753178

External references