Expansion of g.f. A(x) satisfying A(x) = 1 + x*A(x)/(1 - 2*x*A(x))^2.
A365772
Expansion of g.f. A(x) satisfying A(x) = 1 + x*A(x)/(1 - 2*x*A(x))^2.
Terms
- a(0) =1a(1) =1a(2) =5a(3) =25a(4) =137a(5) =801a(6) =4893a(7) =30857a(8) =199377a(9) =1313089a(10) =8782389a(11) =59491257a(12) =407308377a(13) =2814044897a(14) =19594237133a(15) =137364464681a(16) =968743846561
External references
- oeis: A365772