G.f. A(x) satisfies: A(x) = 1 + x * A(x/(1 - 2*x)) / (1 - 2*x)^2.
A351756
G.f. A(x) satisfies: A(x) = 1 + x * A(x/(1 - 2*x)) / (1 - 2*x)^2.
Terms
- a(0) =1a(1) =1a(2) =5a(3) =23a(4) =119a(5) =709a(6) =4749a(7) =35031a(8) =281271a(9) =2438565a(10) =22673021a(11) =224739303a(12) =2363075191a(13) =26246762213a(14) =306830932749
External references
- oeis: A351756