E.g.f. A(x) satisfies A(x) = exp( x*((A(x) + A(-x))/2)^3 ).

A385688

E.g.f. A(x) satisfies A(x) = exp( x*((A(x) + A(-x))/2)^3 ).

Terms

    a(0) =1a(1) =1a(2) =1a(3) =10a(4) =37a(5) =736a(6) =4861a(7) =145552a(8) =1392553a(9) =55772416a(10) =700205401a(11) =35139710464a(12) =546584937229

External references