G.f. A(x) satisfies: 1/(1 - x) = A(x)*A(x^2)^2*A(x^3)^3*A(x^4)^4* ... *A(x^k)^k* ...

Terms

a(0) =1a(1) =1a(2) =-1a(3) =-4a(4) =-3a(5) =-2a(6) =7a(7) =7a(8) =4a(9) =-6a(10) =14a(11) =-11a(12) =-4a(13) =-47a(14) =9a(15) =6a(16) =161a(17) =-93a(18) =-33a(19) =-269a(20) =232a(21) =-83a(22) =660a(23) =-733a(24) =500a(25) =-779a(26) =1527a(27) =-2291a(28) =1876a(29) =-3892