Expansion of g.f. A(x) satisfying A(x) = 1 + 3*x*A(x)^2 - 2*x*A(-x)^2.
A368635
Expansion of g.f. A(x) satisfying A(x) = 1 + 3*x*A(x)^2 - 2*x*A(-x)^2.
Terms
- a(0) =1a(1) =1a(2) =10a(3) =21a(4) =310a(5) =762a(6) =12820a(7) =33805a(8) =607550a(9) =1667214a(10) =31182540a(11) =87799362a(12) =1686609820a(13) =4835044372a(14) =94676506920a(15) =275037241149
External references
- oeis: A368635