G.f. satisfies: A(x) = x*exp( Sum_{n>=1} A(Lucas(n)*x^n) / n ).

Terms

a(0) =1a(1) =1a(2) =3a(3) =7a(4) =22a(5) =54a(6) =192a(7) =496a(8) =1722a(9) =4799a(10) =17013a(11) =48362a(12) =169458a(13) =498733a(14) =1776570a(15) =5331037a(16) =18608396a(17) =57109292a(18) =201213331a(19) =625146398a(20) =2176243724a(21) =6873338754a(22) =24052502138a(23) =76626395556a(24) =265774736523a(25) =856909651252