G.f. satisfies: A(x) = A( x/A(x) )^2 / (1+x).
A245307
G.f. satisfies: A(x) = A( x/A(x) )^2 / (1+x).
Terms
- a(0) =1a(1) =1a(2) =2a(3) =10a(4) =77a(5) =771a(6) =9258a(7) =127656a(8) =1969366a(9) =33422650a(10) =616779303a(11) =12272428173a(12) =261620716744
External references
- oeis: A245307