G.f. A(x) satisfies A(x) = 1/( (1 - x*A(x)^2) * (1 - x*A(x)) )^2.
A379282
G.f. A(x) satisfies A(x) = 1/( (1 - x*A(x)^2) * (1 - x*A(x)) )^2.
Terms
- a(0) =1a(1) =4a(2) =34a(3) =376a(4) =4743a(5) =64710a(6) =929906a(7) =13865206a(8) =212509079a(9) =3327383632a(10) =52994140217a(11) =855842582128
External references
- oeis: A379282