G.f. satisfies: A(x) = 1 + x*Sum_{n>=0} (A(x)^2 - 1)^n.
A192945
G.f. satisfies: A(x) = 1 + x*Sum_{n>=0} (A(x)^2 - 1)^n.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =9a(4) =50a(5) =311a(6) =2072a(7) =14460a(8) =104346a(9) =772255a(10) =5829538a(11) =44710705a(12) =347424376a(13) =2729299748a(14) =21640457360a(15) =172957598120
External references
- oeis: A192945