G.f. A(x) satisfies: 1 = Sum_{n>=0} x^n * (1 - (-1)^n*A(x))^(n+1), where A(0) = 0.
A307999
G.f. A(x) satisfies: 1 = Sum_{n>=0} x^n * (1 - (-1)^n*A(x))^(n+1), where A(0) = 0.
Terms
- a(0) =1a(1) =3a(2) =5a(3) =15a(4) =65a(5) =255a(6) =961a(7) =3759a(8) =15233a(9) =62655a(10) =260097a(11) =1090623a(12) =4616769a(13) =19698687a(14) =84611841a(15) =365570559a(16) =1587755777a(17) =6928284927a(18) =30358910977a(19) =133532161023a(20) =589348292609
External references
- oeis: A307999