G.f. satisfies A(x) = exp( Sum_{k>=1} (3 * (-1)^k + A(x^k)) * x^k/k ).

Terms

a(0) =1a(1) =-2a(2) =2a(3) =0a(4) =-2a(5) =0a(6) =5a(7) =-3a(8) =-9a(9) =11a(10) =16a(11) =-34a(12) =-27a(13) =102a(14) =30a(15) =-296a(16) =56a(17) =807a(18) =-548a(19) =-2056a(20) =2572a(21) =4770a(22) =-9846a(23) =-9351a(24) =33822a(25) =11496a(26) =-107296a(27) =17853a(28) =316498a(29) =-210013