G.f. satisfies: A(x) = exp( Sum_{n>=1} (Sum_{k=0..n} C(n,k)^3*A(x)^k) * x^n/n ).
A192131
G.f. satisfies: A(x) = exp( Sum_{n>=1} (Sum_{k=0..n} C(n,k)^3*A(x)^k) * x^n/n ).
Terms
- a(0) =1a(1) =2a(2) =9a(3) =53a(4) =357a(5) =2611a(6) =20180a(7) =162276a(8) =1344455a(9) =11400944a(10) =98498545a(11) =864068233a(12) =7677040177a(13) =68947431898a(14) =624960856374
External references
- oeis: A192131