G.f. A(x) satisfies A(x) = sqrt( (1 + 2*x*A(x))/(1 - 2*x*A(x)^2) ).
A379382
G.f. A(x) satisfies A(x) = sqrt( (1 + 2*x*A(x))/(1 - 2*x*A(x)^2) ).
Terms
- a(0) =1a(1) =2a(2) =8a(3) =48a(4) =336a(5) =2560a(6) =20608a(7) =172416a(8) =1484288a(9) =13062144a(10) =116977664a(11) =1062600704a(12) =9767067648a(13) =90673700864a(14) =848971661312
External references
- oeis: A379382