G.f. A(x) satisfies: A(x) = Sum_{n>=0} x^(2*n)*A(x)^n / (1 - x^(n+1)*A(x)^(n+2)).
A340355
G.f. A(x) satisfies: A(x) = Sum_{n>=0} x^(2*n)*A(x)^n / (1 - x^(n+1)*A(x)^(n+2)).
Terms
- a(0) =1a(1) =1a(2) =4a(3) =15a(4) =73a(5) =373a(6) =2036a(7) =11518a(8) =67108a(9) =399596a(10) =2421477a(11) =14883232a(12) =92561649a(13) =581401130a(14) =3683031612a(15) =23502839520a(16) =150944260610a(17) =974905750378
External references
- oeis: A340355