G.f.: F(F(F(x))) where F(x) = x/(1-x-x^2) is the g.f. for the Fibonacci numbers.
A283679
G.f.: F(F(F(x))) where F(x) = x/(1-x-x^2) is the g.f. for the Fibonacci numbers.
Terms
- a(0) =0a(1) =1a(2) =3a(3) =12a(4) =48a(5) =197a(6) =815a(7) =3391a(8) =14153a(9) =59185a(10) =247791a(11) =1038186a(12) =4351706a(13) =18245861a(14) =76514483a(15) =320899470a(16) =1345931153a(17) =5645394769a(18) =23679726926a(19) =99326654214a(20) =416638208001
External references
- oeis: A283679